5051:
5045:
7934:
42:
789:, any number of values may be dropped from any of the date and time representations, but in the order from the least to the most significant. For example, "2004-05" is a valid ISO 8601 date, which indicates May (the fifth month) 2004. This format will never represent the 5th day of an unspecified month in 2004, nor will it represent a time-span extending from 2004 into 2005.
2258:, as in "P0,5Y" or "P0.5Y". The standard does not prohibit date and time values in a duration representation from exceeding their "carry over points" except as noted below. Thus, "PT36H" could be used as well as "P1DT12H" for representing the same duration. But keep in mind that "PT36H" is not the same as "P1DT12H" when switching from or to
520:(ISO) and was first published in 1988, with updates in 1991, 2000, 2004, and 2019, and an amendment in 2022. The standard provides a well-defined, unambiguous method of representing calendar dates and times in worldwide communications, especially to avoid misinterpreting numeric dates and times when such data is transferred between
1371:
Monday, Tuesday and
Wednesday. Similarly, the last ISO week of a year may have up to three days that are actually in the Gregorian calendar year that is starting; if three, they are Friday, Saturday, and Sunday. The Thursday of each ISO week is always in the Gregorian calendar year denoted by the ISO week-numbering year.
1095:, the standard also permits the expansion of the year representation but only by prior agreement between the sender and the receiver. An expanded year representation must have an agreed-upon number of extra year digits beyond the four-digit minimum, and it must be prefixed with a + or − sign instead of the more common
557:; and combinations thereof. The standard does not assign specific meaning to any element of the dates/times represented: the meaning of any element depends on the context of its use. Dates and times represented cannot use words that do not have a specified numerical meaning within the standard (thus excluding
2370:
including the start and finish times could be shown as "2007-12-14T13:30/15:30", where "/15:30" implies "/2007-12-14T15:30" (the same date as the start), or the beginning and end dates of a monthly billing period as "2008-02-15/03-14", where "/03-14" implies "/2008-03-14" (the same year as the start).
3312:
Annex A: ... From that concept representations of all other date and time values were logically derived; thus, ISO 2014, ISO 3307 and ISO 4031 have been superseded. ... Identification of a particular date by means of ordinal dates (ISO 2711) and by means of the week numbering
2836:
introduced the
Internet Extended Date/Time Format (IXDTF) in RFC 9557. This format extends the timestamp representation to include additional information such as an associated time zone name. The inclusion of time zone names is particularly useful for applications that need to account for events like
2800:
appears in its basic form on major brand commercial packaging in the United States. Its appearance depended on the particular packaging, canning, or bottling plant more than any particular brand. The format is particularly useful for quality assurance, so that production errors can be readily traced.
2245:
Date and time elements including their designator may be omitted if their value is zero, and lower-order elements may also be omitted for reduced precision. For example, "P23DT23H" and "P4Y" are both acceptable duration representations. However, at least one element must be present, thus "P" is not a
2824:
RFC 3339 deviates from ISO 8601 in allowing a zero time zone offset to be specified as "-00:00", which ISO 8601 forbids. RFC 3339 intends "-00:00" to carry the connotation that it is not stating a preferred time zone, whereas the conforming "+00:00" or any non-zero offset connotes that the
2423:
If the interval specifies the start (forms 1 and 2 above), then this is the start of the repeating interval. If the interval specifies the end but not the start (form 3 above), then this is the end of the repeating interval. For example, to repeat the interval of "P1Y2M10DT2H30M" five times starting
580:
and the specific computer characters (such as "‐", ":", "T", "W", "Z") that are assigned specific meanings within the standard; that is, such commonplace descriptors of dates (or parts of dates) as "January", "Thursday", or "New Year's Day" are not allowed in interchange representations within
2138:
Durations define the amount of intervening time in a time interval and are represented by the format PYMDTHMS or PW as shown on the aside. In these representations, the is replaced by the value for each of the date and time elements that follow the . Leading zeros are not required, but the maximum
2249:
To resolve ambiguity, "P1M" is a one-month duration and "PT1M" is a one-minute duration (note the time designator, T, that precedes the time value). The smallest value used may also have a decimal fraction, as in "P0.5Y" to indicate half a year. This decimal fraction may be specified with either a
2369:
For <start>/<end> expressions, if any elements are missing from the end value, they are assumed to be the same as for the start value including the time zone. This feature of the standard allows for concise representations of time intervals. For example, the date of a two-hour meeting
1370:
starts at the first day (Monday) of week 01 and ends at the Sunday before the new ISO year (hence without overlap or gap). It consists of 52 or 53 full weeks. The first ISO week of a year may have up to three days that are actually in the
Gregorian calendar year that is ending; if three, they are
1671:
corresponding to the instant at the beginning of a calendar day; and "24:00:00" to refer to midnight corresponding to the instant at the end of a calendar day. ISO 8601-1:2019 as originally published removed "24:00:00" as a representation for the end of day although it had been permitted in
1432:
This simple form is preferable for occasions when the arbitrary nature of week and month definitions are more of an impediment than an aid, for instance, when comparing dates from different calendars. This format is used with simple hardware systems that have a need for a date system, but where
4114:
Unknown Local Offset
Convention: If the time in UTC is known, but the offset to local time is unknown, this can be represented with an offset of "-00:00". This differs semantically from an offset of "Z" or "+00:00", which imply that UTC is the preferred reference point for the specified time.
3768:
3.5 Expansion ... By mutual agreement of the partners in information interchange, it is permitted to expand the component identifying the calendar year, which is otherwise limited to four digits. This enables reference to dates and times in calendar years outside the range supported by complete
2329:
A time interval is the intervening time between two time points. The amount of intervening time is expressed by a duration (as described in the previous section). The two time points (start and end) are expressed by either a combined date and time representation or just a date representation.
1214:
Calendar date representations are in the form shown in the adjacent box. indicates a four-digit year, 0000 through 9999. indicates a two-digit month of the year, 01 through 12. indicates a two-digit day of that month, 01 through 31. For example, "5 April 1981" may be represented as either
2281:
The standard describes a duration as part of time intervals, which are discussed in the next section. The duration format on its own is ambiguous regarding the total number of days in a calendar year and calendar month. The number of seconds in a calendar day is also ambiguous because of
2358:"/"). Section 3.2.6 of ISO 8601-1:2019 notes that "A solidus may be replaced by a double hyphen by mutual agreement of the communicating partners", and previous versions used notations like "2000--2002". Use of a double hyphen instead of a solidus allows inclusion in computer
1988:
It is not permitted to state a zero value time offset with a negative sign, as "−00:00", "−0000", or "−00". The section dictating sign usage states that a plus sign must be used for a positive or zero value, and a minus sign for a negative value. A
2768:
standard based on ISO 8601 in defining a profile of the standard that restricts the supported date and time formats to reduce the chance of error and the complexity of software. The very simple specification is based on a draft of the RFC 3339 mentioned below.
647:
Issued in
February 2019, the fourth revision of the standard ISO 8601-1:2019 represents slightly updated contents of the previous ISO 8601:2004 standard, whereas the new ISO 8601-2:2019 defines various extensions such as uncertainties or parts of the
1359:
As a consequence, if 1 January is on a Monday, Tuesday, Wednesday or
Thursday, it is in week 01. If 1 January is on a Friday, Saturday or Sunday, it is in week 52 or 53 of the previous year (there is no week 00). 28 December is always in the last week of its year.
2447:
ISO 8601:2000 allowed truncation (by agreement), where leading components of a date or time are omitted. Notably, this allowed two-digit years to be used as well as the ambiguous formats YY-MM-DD and YYMMDD. This provision was removed in ISO 8601:2004.
2110:
Either basic or extended formats may be used, but both date and time must use the same format. The date expression may be calendar, week, or ordinal, and must use a complete representation. The time may be represented using a specified reduced precision format.
1027:(the explicit reference date was removed in ISO 8601-1:2019). However, ISO calendar dates before the convention are still compatible with the Gregorian calendar all the way back to the official introduction of the Gregorian calendar on 15 October 1582.
4149:
In an environment where use is made of a character repertoire based on ISO/IEC 646, "hyphen" and "minus" are both mapped onto "hyphen-minus". Representations with a "plus-minus" shall only be used in such environment if the interchange repertoire includes
655:
An amendment was published in
October 2022 featuring minor technical clarifications and attempts to remove ambiguities in definitions. The most significant change, however, was the reintroduction of the "24:00:00" format to refer to the instant at the
2837:
daylight saving time transitions. Furthermore, IXDTF maintains compatibility with pre-existing syntax for attaching time zone names to timestamps, providing a standardized and flexible approach to timestamp representation on the internet. Example:
1754:
be safe to assume local time when communicating in the same time zone, it is ambiguous when used in communicating across different time zones. Even within a single geographic time zone, some local times will be ambiguous if the region observes
576:, dates and times are arranged such that the greatest temporal term (typically a year) is placed at the left and each successively lesser term is placed to the right of the previous term. Representations must be written in a combination of
4171:
4.3.2 NOTE: By mutual agreement of the partners in information interchange, the character may be omitted in applications where there is no risk of confusing a date and time of day representation with others defined in this
International
2419:
is used as the letter itself and is replaced by the number of repetitions. Leaving out the value for or specifying a value of -1, means an unbounded number of repetitions. A value of 0 for means the interval is not repeated.
7260:
2265:
Alternatively, a format for duration based on combined date and time representations may be used by agreement between the communicating parties either in the basic format PYYYYMMDDThhmmss or in the extended format
1698:
There is no limit on the number of decimal places for the decimal fraction. However, the number of decimal places needs to be agreed to by the communicating parties. For example, in
Microsoft SQL Server, the
4212:
5.6. NOTE: ISO 8601 defines date and time separated by "T". Applications using this syntax may choose, for the sake of readability, to specify a full-date and full-time separated by (say) a space character.
1643:. ISO 8601-1:2019 allows the T to be omitted in the extended format, as in "13:47:30", but only allows the T to be omitted in the basic format when there is no risk of confusion with date expressions.
1646:
Either the seconds, or the minutes and seconds, may be omitted from the basic or extended time formats for greater brevity but decreased precision; the resulting reduced precision time formats are:
1084:) are not automatically allowed by the standard. Instead, the standard states that "values in the range through shall only be used by mutual agreement of the partners in information interchange".
2096:, but this provision was removed in ISO 8601-1:2019. Separating date and time parts with other characters such as space is not allowed in ISO 8601, but allowed in its profile RFC 3339.
4803:
1417:
format for the multiples of a day elapsed since the start of year. It is represented as "YYYY-DDD" (or YYYYDDD), where indicates a year and is the "day of year", from 001 through 365 (366 in
4949:
2063:
ISO 8601-2:2019 allows for general durations for time offsets. For example, more precision can be added to the time offset with the format '<time>±::.' or '<time>±HMS' as below.
1695:
according to ISO 8601:2004.) For example, to denote "14 hours, 30 and one half minutes", do not include a seconds figure; represent it as "14:30,5", "T1430,5", "14:30.5", or "T1430.5".
3172:
3168:
3912:
4.2.2.4 ... the decimal fraction shall be divided from the integer part by the decimal sign specified in ISO 31-0, i.e. the comma or full stop . Of these, the comma is the preferred sign.
3313:
system (ISO 2015) were alternative methods that the basic concept of this
International Standard could also encompass; thus, ISO 2015 and ISO 2711 have now been superseded.
2897:
4872:
2000:
Contrary to this rule, RFC 3339, which is otherwise a profile of ISO 8601, permits the use of "−00" with the same denotation as "+00" but a differing connotation: an unknown
4734:
1433:
including full calendar calculation software may be a significant nuisance. This system is sometimes referred to as "Julian Date", but this can cause confusion with the astronomical
3347:
1856:
A time zone where the civil time coincides with UTC is always designated as positive, though the offset is zero (see related specifications below). So the zone designation for
6772:
4097:
4279:
1845:) would be "−05:00","−0500", or "−05". Conversely, a positive UTC offset describes a time zone east of the prime meridian where the civil time is ahead of
3419:
E DIN ISO 8601-1:2017-02 Datenelemente und Austauschformate - Informationsaustausch - Darstellung von Datum und Uhrzeit - Teil 1: Grundlegende Regeln (ISO/DIS 8601-1:2016)
2297:
The duration format (or a subset thereof) is widely used independent of time intervals, as with the Java 8 Duration class which supports a subset of the duration format.
744:
of the representation thus corresponds to chronological order, except for date representations involving negative years or time offset. This allows dates to be naturally
2286:. For example "P1M" on its own could be 28, 29, 30, or 31 days. There is no ambiguity when used in a time interval. Using example "P2M" duration of two calendar months:
6767:
3938:
3603:
3424:
3598:
E DIN ISO 8601-2:2017-02 Datenelemente und Austauschformate - Informationsaustausch - Darstellung von Datum und Uhrzeit - Teil 2: Erweiterungen (ISO/DIS 8601-2:2016)
3535:
4235:
6272:
5650:
4166:
4137:
3907:
3763:
3745:
3329:
3307:
3274:
517:
1779:
is the zone designator for the zero UTC offset. "09:30 UTC" is therefore represented as "09:30Z" or "T0930Z". "14:45:15 UTC" would be "14:45:15Z" or "T144515Z".
1794:
which was formerly used as the international civil time standard. GMT is no longer precisely defined by the scientific community and can refer to either UTC or
4713:
4308:
4141:
4865:
2415:
Repeating intervals are specified in clause "4.5 Recurring time interval". They are formed by adding "R/" to the beginning of an interval expression, where
1786:
suffix in the ISO 8601 time representation is sometimes referred to as "Zulu time" or "Zulu meridian" because the same letter is used to designate the
6494:
3241:
2829:
headers. RFC 2822 made no claim that any part of its timestamp format conforms to ISO 8601, and so was free to use this convention without conflict.
740:
Date and time values are ordered from the largest to smallest unit of time: year, month (or week), day, hour, minute, second, and fraction of second. The
644:. The ISO week numbering system was introduced in ISO 2015, and the identification of days by ordinal dates was originally defined in ISO 2711.
3207:
778:
is used as the separator between time values (hours, minutes, and seconds). For example, the 6th day of the 1st month of the year 2009 may be written as
7569:
7489:
7280:
7275:
7121:
3992:
7287:
5403:
2772:
ISO 8601 is referenced by several specifications, but the full range of options of ISO 8601 is not always used. For example, the various
1034:, may be used by mutual agreement of the partners exchanging information. The standard states that every date must be consecutive, so usage of the
5641:
4858:
3226:
2825:
offset being used is preferred. This convention regarding "-00:00" is derived from earlier RFCs, such as RFC 2822 which uses it for timestamps in
2373:
If greater precision is desirable to represent the time interval, then more time elements can be added to the representation. An interval denoted
521:
2972:
DIN ISO 8601:2006-09 (replaced DIN EN 28601:1993-02); related: DIN 5008:2011-04 (replaced DIN 5008:2005-05, DIN 5008:2001-11, DIN 5008:1996-05)
2718:
and approximate qualifiers, '?' and '~', as well as their combined used, '%'; they can be applied to the whole date or to individual components.
7820:
2242:
For example, "P3Y6M4DT12H30M5S" represents a duration of "three years, six months, four days, twelve hours, thirty minutes, and five seconds".
394:
7963:
6182:
4036:
3996:
558:
2900:
7889:
7690:
7213:
6596:
6187:
6157:
5372:
3134:
SS-ISO 8601-1:2022, contains the official English version of ISO 8601-1:2019. (Approved 2022-05-13, replaces SS-ISO 8601:2011, edition 2)
4783:
4778:
3565:
3386:
1790:. However the ACP 121 standard that defines the list of military time zones makes no mention of UTC and derives the "Zulu time" from the
1691:
according to ISO 8601:1-2019, it does not stipulate a preference except within International Standards, but with a preference for a
7534:
6864:
6661:
4468:
4028:
3506:
3343:
5985:
4656:
7978:
7061:
6085:
5123:
3718:
3485:
4077:
4071:
4271:
7625:
6797:
6641:
630:
4563:
4525:
4478:
4430:
4109:
3848:
3805:
2833:
159:
4609:
3861:
3817:
688:
Data elements and interchange formats — Information interchange — Representation of dates and times — Technical Corrigendum 1
7958:
7720:
7715:
7422:
5196:
2389:
includes the start and end times. To explicitly include all of the start and end dates, the interval would be represented as
4472:
4358:
3924:
3595:
3416:
2246:
valid representation for a duration of 0 seconds. "PT0S" or "P0D", however, are both valid and represent the same duration.
4225:"Data elements and interchange formats — Information interchange - Representation of dates and times — Part 1: Basic rules"
3964:
7514:
6844:
6777:
6357:
6005:
5377:
4224:
4128:
3548:
324:
4130:
Data elements and interchange formats — Information interchange - Representation of dates and times — Part 1: Basic rules
3708:
1031:
536:
146:
3697:, in the relevant section, e.g: 2.3.7 representation with reduced accuracy. This was corrected in ISO 8601-1:2019.
728:
Date and time — Representations for information interchange — Part 1: Basic rules — Amendment 1: Technical corrections
7973:
7859:
7337:
5634:
5332:
5312:
5258:
5143:
4979:
4678:
3221:
1787:
1750:
If no UTC relation information is given with a time representation, the time is assumed to be in local time. While it
1077:
4163:
ISO 8601:2004(E): Data elements and interchange formats — Information interchange — Representation of dates and times
3456:
4705:
4300:
7519:
7427:
7377:
7136:
6469:
6464:
4999:
4984:
4922:
4901:
1768:
766:
with separators added to enhance human readability. The standard notes that "The basic format should be avoided in
387:
7785:
7730:
7509:
7494:
7474:
6752:
6172:
5668:
5153:
4964:
3659:
2761:
186:
4424:
4398:
4381:
7833:
7740:
7529:
7504:
6716:
6711:
2773:
2293:
interval 2003-07-15T00:00:00Z/P2M ends two calendar months later at 2003-09-15T00:00:00Z which is 62 days later
2290:
interval 2003-02-15T00:00:00Z/P2M ends two calendar months later at 2003-04-15T00:00:00Z which is 59 days later
593:
in 1988. It unified and replaced a number of older ISO standards on various aspects of date and time notation:
154:
636:
ISO 2014, though superseded, is the standard that originally introduced the all-numeric date notation in
4333:
1230:
The standard also allows for calendar dates to be written with reduced precision. For example, one may write
7387:
6929:
6919:
6914:
6489:
6474:
6414:
5848:
5843:
5803:
5413:
5191:
5093:
5009:
5004:
3631:
3510:
3481:
3452:
2810:
1675:
A decimal fraction may be added to the lowest order time element present in any of these representations. A
1363:
The week number can be described by counting the Thursdays: week 12 contains the 12th Thursday of the year.
1013:
ISO 8601:2004 fixes a reference calendar date to the Gregorian calendar of 20 May 1875 as the date the
293:
7968:
7937:
7705:
7695:
6824:
6242:
5823:
5627:
3368:
3231:
2705:
ISO 8601-2:2019 defines a set of standardised extensions to the ISO 8601 date and time formats.
786:
505:
7126:
6989:
6636:
6010:
5858:
5828:
5721:
5711:
5672:
5664:
5566:
2139:
number of digits for each element should be agreed to by the communicating parties. The capital letters
1038:
would be contrary to the standard (because at the switchover date, the dates would not be consecutive).
741:
566:
380:
80:
4250:
b) If necessary for a particular application, the lowest order components may have a decimal fraction.
2776:
standards for TV, digital radio, etc. use several forms to describe points in time and durations. The
1246:
and YYYYMMDD formats for complete calendar date representations, if the day is omitted then only the
7884:
7790:
7524:
7499:
7342:
7183:
6621:
6424:
6297:
6080:
5393:
5307:
5133:
4994:
4798:
4631:
4577:
4539:
4492:
4444:
2259:
1912:
1756:
4813:
4261:
ISO 8601:2004 section 4.4.3.3 Alternative format, ISO 8601-1:2019 section 5.5.2.4 Alternative format
1759:. It is usually preferable to indicate a time zone (zone designator) using the standard's notation.
704:
Data elements and interchange formats — Information interchange — Representation of dates and times
696:
Data elements and interchange formats — Information interchange — Representation of dates and times
680:
Data elements and interchange formats — Information interchange — Representation of dates and times
7725:
7464:
5603:
5398:
5253:
5118:
5070:
4939:
3573:
3543:
3394:
2355:
1973:
1936:
1791:
1700:
1692:
1680:
1250:
format is allowed. By disallowing dates of the form YYYYMM, the standard avoids confusion with the
1092:
775:
637:
3985:
2735:
The EDTF features are described in the "Date and Time Extensions" section of ISO 8601-2:2019.
2080:
A single point in time can be represented by concatenating a complete date expression, the letter
7670:
7605:
5945:
5578:
5352:
5276:
5206:
4817:
4020:
2743:
ISO 8601-2:2019 also defines a format to constrain repeating intervals based on syntax from
2697:
per omitted century, year, month, week, hour and minute as necessary to disambiguate the format.
2275:
2015:. If the interchange character set is limited and does not have a minus sign character, then the
1315:
1258:
to mean "April 5" but the 2004 version does not allow omitting the year when a month is present.
1081:
1007:
532:
319:
164:
4632:"ČSN ISO 8601 (979738) Datové prvky a formáty výměny - Výměna informací - Zobrazení data a času"
2922:ČSN ISO 8601 (replaced ČSN EN 28601) (Obsolete as of 2019. No standard was given in exchange.)
1234:
to mean "1981 April". One may simply write "1981" to refer to that year, "198" to refer to the
629:
on 25 February 2019. ISO 8601 was prepared by, and is under the direct responsibility of,
6499:
5426:
5291:
5108:
4089:
4032:
3928:
3714:
3578:
3399:
2814:
1343:
in the starting year (considering that Saturdays, Sundays and 1 January are non-working days),
1065:
793:
4772:
4766:
3514:
7233:
6974:
6302:
5571:
5317:
5296:
5248:
5211:
5024:
4567:
4529:
4515:
4482:
4434:
4201:
4193:
4185:
4081:
3853:
3809:
1020:
562:
273:
2099:
If a time zone designator is required, it follows the combined date and time. For example,
7843:
7564:
7469:
7223:
7151:
7146:
7141:
6626:
6589:
6584:
6579:
6574:
6569:
6564:
6559:
5302:
5281:
5113:
5085:
4807:
4652:
4385:
3873:
Truncated representation, as specified in , Sections 5.2.1.3 d), e), and f), is permitted.
3829:
Truncated representation, as specified in , Sections 5.2.1.3 d), e), and f), is permitted.
3635:
2904:
2785:
1990:
1838:
1310:
Week date representations are in the formats as shown in the adjacent box. indicates the
1035:
577:
331:
132:
3477:
2712:
The EDTF is given as an example of a profile of ISO 8601. Some of its features are:
3344:"TC 154 Processes, data elements and documents in commerce, industry and administration"
7131:
6879:
6691:
6554:
6544:
6539:
6534:
6529:
6524:
6519:
6514:
6509:
5878:
5868:
5598:
5357:
5347:
5286:
5243:
5075:
5065:
5034:
4934:
4906:
3933:
1834:
1414:
122:
453:
7952:
7919:
7894:
7879:
7815:
7810:
7805:
7800:
7795:
7640:
7585:
7554:
7544:
7407:
7397:
7367:
7362:
7312:
7292:
7270:
7255:
7208:
7173:
7116:
7111:
7101:
6979:
6924:
6899:
6894:
6874:
6747:
6287:
5863:
5726:
5696:
5485:
5436:
5421:
5367:
5138:
4974:
4969:
4885:
4354:
2943:
2797:
1904:
1861:
1842:
1811:
1688:
1594:
1352:
the first week with the majority (four or more) of its days in the starting year, and
1275:
553:
544:
509:
472:
304:
252:
225:
210:
200:
4822:
3843:
3801:
2821:. The more complex formats such as week numbers and ordinal days are not permitted.
1080:. However, years before 1583 (the first full year following the introduction of the
7780:
7750:
7610:
6954:
6949:
6812:
6807:
6802:
6721:
6666:
6616:
6549:
6504:
6479:
6409:
6404:
6399:
6394:
6389:
6347:
6312:
6222:
6217:
6045:
5853:
5619:
5583:
5470:
5465:
5460:
5447:
5186:
4832:
4601:
2016:
1738:
in ISO 8601 are represented as local time (with the location unspecified), as
1676:
1409:
1346:
the week with the starting year's first Thursday in it (the formal ISO definition),
1340:
792:
If necessary for a particular application, the standard supports the addition of a
752:
490:
127:
3769:
representations, i.e. before the start of the year or after the end of the year .
2727:
Special "month" values indicating sub-year groupings such as seasons and quarters.
712:
Date and time — Representations for information interchange — Part 1: Basic rules
4850:
4076:. Reston, VA: IETF Secretariat, Corp. for National Research Initiatives. p.
2198:
is the month designator that follows the value for the number of calendar months.
720:
Date and time — Representations for information interchange — Part 2: Extensions
7755:
7452:
7447:
7442:
7026:
6943:
5915:
5593:
5588:
5233:
5216:
5148:
5128:
5014:
4896:
4580:
4542:
4519:
4495:
4447:
3960:
3245:
2715:
2283:
2278:(e.g. a value of 13 for the month or 25 for the hour would not be permissible).
2218:
is the time designator that precedes the time components of the representation.
2049:
1628:
1320:
1254:
YYMMDD (still often used). The 2000 version also allowed writing the truncation
1096:
1069:
366:
268:
247:
215:
205:
102:
4794:
3729:
The Gregorian calendar today serves as an international standard for civil use.
2780:
audio meta-data specification also makes use of a subset of ISO 8601. The
2192:
is the year designator that follows the value for the number of calendar years.
1687:, is used as a separator between the time element and its fraction. (Following
751:
Each date and time value has a fixed number of digits that must be padded with
41:
7745:
7650:
7357:
7332:
7096:
7051:
6787:
6444:
6257:
6150:
6145:
6140:
6100:
6075:
5950:
5706:
5608:
5561:
5545:
5431:
5337:
5158:
5019:
4989:
4927:
3724:
2818:
2008:
2001:
1977:
1962:
1952:
1942:
1928:
1873:
1869:
1865:
1830:
1819:
1807:
1434:
1335:
There are several mutually equivalent and compatible descriptions of week 01:
1100:
1068:. It therefore represents years from 0000 to 9999, year 0000 being equal to 1
782:
in the extended format or as "20090106" in the basic format without ambiguity.
770:." The separator used between date values (year, month, week, and day) is the
767:
548:
465:
459:
230:
107:
2210:
is the day designator that follows the value for the number of calendar days.
2175:
are designators for each of the date and time elements and are not replaced.
7914:
7909:
7904:
7899:
7874:
7864:
7825:
7775:
7770:
7765:
7760:
7665:
7660:
7655:
7645:
7635:
7620:
7600:
7595:
7590:
7539:
7484:
7479:
7459:
7437:
7417:
7372:
7352:
7307:
7302:
7297:
7265:
7228:
7218:
7203:
7198:
7193:
7178:
7163:
7158:
7086:
7081:
7076:
7056:
7046:
7041:
7036:
7021:
7016:
6964:
6959:
6939:
6909:
6884:
6869:
6839:
6792:
6782:
6762:
6757:
6742:
6737:
6651:
6372:
6367:
6262:
5908:
5903:
5898:
5893:
5888:
5796:
5791:
5786:
5781:
5505:
5342:
5226:
5201:
5181:
5098:
5050:
5044:
5029:
4828:
4093:
2744:
2346:
Duration only, such as "P1Y2M10DT2H30M", with additional context information
2255:
1918:
1896:
1886:
1823:
1735:
1684:
1605:
is T::. Earlier versions omitted the T (representing time) in both formats.
1418:
1104:
1088:
361:
314:
309:
220:
3094:
PN-EN 28601:2002 (Obsolete as of 2008. No standard was given in exchange.)
2856:
AS/NZS ISO 8601.1:2021, AS/NZS ISO 8601.2:2021 (replaced AS ISO 8601-2007)
4761:
4557:
3448:
2236:
is the second designator that follows the value for the number of seconds.
2230:
is the minute designator that follows the value for the number of minutes.
1665:
As of ISO 8601-1:2019/Amd 1:2022, "00:00:00" may be used to refer to
7549:
7327:
7031:
6859:
6696:
6686:
6671:
6646:
6631:
6606:
6601:
6484:
6454:
6439:
6434:
6429:
6419:
6384:
6379:
6362:
6342:
6337:
6332:
6327:
6322:
6317:
6307:
6292:
6282:
6277:
6267:
6252:
6247:
6237:
6232:
6227:
6212:
6207:
6202:
6197:
6192:
6177:
6162:
6135:
6130:
6125:
6120:
6115:
6110:
6105:
6095:
6090:
6070:
6065:
6055:
6050:
6040:
6035:
6025:
6020:
6015:
5990:
5980:
5873:
5776:
5771:
5766:
5761:
5756:
5751:
5746:
5741:
5736:
5540:
5520:
5362:
5268:
5168:
4954:
4402:
3236:
2757:
2363:
2359:
1890:
1667:
1355:
the week starting with the Monday in the period 29 December to 4 January.
610:
606:
602:
598:
594:
169:
117:
75:
1703:
of a decimal fraction is 3 for a DATETIME, i.e., "yyyy-mm-ddThh:mm:ss".
1064:
ISO 8601 prescribes, as a minimum, a four-digit year to avoid the
17:
7838:
7630:
7615:
7412:
7402:
7392:
7168:
6984:
6934:
6829:
6817:
5975:
5970:
5965:
5960:
5955:
5940:
5935:
5930:
5925:
5920:
5883:
5838:
5833:
5818:
5813:
5808:
5535:
5525:
5455:
5327:
5238:
5103:
2045:
1900:
1239:
745:
112:
63:
4845:
4206:
3884:
ISO 8601-1:2019 section 5.3.1.3 Representations with reduced precision
3649:
2224:
is the hour designator that follows the value for the number of hours.
2204:
is the week designator that follows the value for the number of weeks.
7700:
7685:
7680:
7675:
7347:
7322:
7250:
7106:
7091:
7071:
7066:
7011:
7004:
6999:
6994:
6889:
6854:
6701:
6352:
6167:
5731:
5530:
5480:
5475:
4788:
4572:
4559:
Date and Time on the Internet: Timestamps with Additional Information
4534:
4487:
4439:
4378:
4197:
4085:
3857:
3813:
3654:
3163:
1932:
1922:
1908:
1857:
1624:
1617:
1235:
771:
758:
Representations can be done in one of two formats – a
351:
68:
1810:
is appended directly to the time instead of "Z" suffix above; other
7188:
4329:
1242:
from 1900 to 1999 inclusive. Although the standard allows both the
7735:
7710:
7432:
7317:
6969:
6834:
6706:
6681:
6676:
6656:
6030:
6000:
5995:
5716:
5701:
5691:
5686:
5510:
5322:
5221:
5176:
3001:
2826:
2781:
2452:
Some Truncated Representations (last valid in ISO 8601:2000)
2337:
Start and end, such as "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z"
2251:
2027:
does not have a minus sign, so its hyphen-minus character (code 45
2024:
1966:
1956:
1946:
1850:
1332:, from 1 through 7, beginning with Monday and ending with Sunday.
1024:
356:
3627:
3602:. DIN-Normenausschuss Informationstechnik und Anwendungen (NIA).
3423:. DIN-Normenausschuss Informationstechnik und Anwendungen (NIA).
2340:
Start and duration, such as "2007-03-01T13:00:00Z/P1Y2M10DT2H30M"
1437:, a sequential count of the number of days since day 0 beginning
976:
948:
920:
892:
864:
836:
589:
The first edition of the ISO 8601 standard was published as
7382:
7245:
7238:
6904:
6849:
6449:
6060:
5515:
5500:
5490:
4944:
4881:
3961:"A summary of the international standard date and time notation"
3713:. Sausalito, California: University Science Books. p. 580.
2765:
2031:) would be used. If the character set has a minus sign, such as
2007:
To represent a negative offset, ISO 8601 specifies using a
1837:
where the civil time is behind UTC. So the zone designation for
1610:
513:
58:
33:
5623:
4854:
4127:"3.4.1 Characters used in the representations - Introduction".
3707:
Doggett, L. E. (1992). "Calendars". In P. K. Seidelmann (ed.).
2343:
Duration and end, such as "P1Y2M10DT2H30M/2008-05-11T15:30:00Z"
2274:. However, individual date and time values cannot exceed their
1445:
which uses the Gregorian proleptic calendar with a year 0000).
1441:
Greenwich noon, Julian proleptic calendar (or noon on ISO date
7869:
7559:
6611:
5495:
2777:
2721:
Time intervals with an open (unbounded) end or an unknown end.
1846:
1815:
1795:
1739:
437:
424:
4330:"Info on ISO 8601, the date and time representation standard"
2350:
Of these, the first three require two values separated by an
1010:, which "serves as an international standard for civil use."
2898:
Source ICONTEC (This standard is identical to ISO 8601:2004)
2809:
IETF RFC 3339 defines a profile of ISO 8601 for use in
2689:
The first and seventh examples given above omit the leading
1627:
between 00 and 60 (where 60 is only used to denote an added
527:
ISO 8601 applies to these representations and formats:
2354:
which is usually a solidus (more commonly referred to as a
1265:
7 January 2000 can be written as "2000-01-07" or "20000107"
1073:
621:
published on 1 December 2004, and withdrawn and revised by
4950:
International Earth Rotation and Reference Systems Service
4784:
The 2016 prototype of ISO 8601-2 (ISO/TC 154 N) (archived)
4779:
The 2016 prototype of ISO 8601-1 (ISO/TC 154 N) (archived)
4051:
ISO 8601-1:2019 section 3.2.4, ISO 8601:2004 section 3.4.2
2674:
A specific minute and decimal fraction of the implied hour
2084:
as a delimiter, and a valid time expression. For example,
4060:
RFC 3339 – Unknown local offset convention
4602:"CAN/CSA-Z234.4-89 (R2007): All-Numeric Dates and Times"
2817:. It explicitly excludes durations and dates before the
819:
2270:. For example, the first duration shown above would be
828:
822:
4835:
illustrating the difference between the two standards.
4789:
Use international date format (ISO) – Quality Web Tips
3110:ГОСТ ИСО 8601-2001 (current), ГОСТ 7.64-90 (obsolete)
2948:
EN ISO 8601, EN 28601:1992 (cancelled 7 October 2011)
2564:
A specific year and ordinal day in the implied century
2186:) placed at the start of the duration representation.
816:
408:
Current date and time expressed according to ISO 8601
3648:
Wolf, Misha; Wicksteed, Charles (15 September 1997).
2724:
Exponential and significant figure notation in years.
2088:. In ISO 8601:2004 it was permitted to omit the
1238:
from 1980 to 1989 inclusive, or "19" to refer to the
831:
825:
813:
508:
covering the worldwide exchange and communication of
4379:
Note about Date and Time Formats to W3C from Reuters
1814:
zone letters are not used. The offset is applied to
572:
In representations that adhere to the ISO 8601
7852:
7578:
6730:
5679:
5554:
5445:
5412:
5386:
5267:
5167:
5084:
5058:
4915:
3369:"Introduction to the new ISO 8601-1 and ISO 8601-2"
489:
481:
471:
448:
435:
422:
414:
3710:Explanatory Supplement to the Astronomical Almanac
3199:ANSI INCITS 30-1997 (R2008) and NIST FIPS PUB 4-2
1635:So a time might appear as either "T134730" in the
1148:Only allowed in the (now superseded) 2000 version:
4115:RFC2822 describes a similar convention for email
1314:which is slightly different from the traditional
796:to the smallest time value in the representation.
4070:Newman, Chris (July 2002). Klyne, Graham (ed.).
3689:Earlier versions of ISO 8601 used the word
3507:"Extended Date/Time Format (EDTF) 1.0 2012/2014"
3449:"Extended Date/Time Format (EDTF) Specification"
3443:
3441:
3242:ISO 8601 and computing differences between dates
3142:SN ISO 8601:2005-08 (replaced SN-EN 28601:1994)
2643:A specific minute and second of the implied hour
2491:A specific year and month in the implied century
2333:There are four ways to express a time interval:
4846:ISO 8601 Implementation Around The World (1998)
4355:"ISO 8601 - Getting with the Times (and Dates)"
3986:"Communication Instructions General ACP 121(I)"
3078:AS/NZS ISO 8601.1:2021, AS/NZS ISO 8601.2:2021
3046:LST ISO 8601:2006 (replaced LST ISO 8601:1997)
2964:NF Z69-200; NF EN 28601:1993-06-01 (cancelled)
2832:Building upon the foundations of RFC 3339, the
1378:Monday 29 December 2008 is written "2009-W01-1"
4528:. April 2001. p. 14. sec. 3.3.
2788:makes use of another subset of ISO 8601.
2595:A specific year and week in the implied decade
2362:; in common operating systems, a solidus is a
1251:
518:International Organization for Standardization
5635:
4866:
3789:For example, see Annex B.1.1 of the standard.
3478:"Extended Date/Time Format (EDTF) Background"
3265:
3263:
3261:
2522:A specific day of a month in the implied year
1661:T, when both seconds and minutes are omitted.
1381:Sunday 3 January 2010 is written "2009-W53-7"
999:
996:
993:
990:
987:
984:
981:
971:
968:
965:
962:
959:
956:
953:
943:
940:
937:
934:
931:
928:
925:
915:
912:
909:
906:
903:
900:
897:
887:
884:
881:
878:
875:
872:
869:
859:
856:
853:
850:
847:
844:
841:
664:History of published editions and amendments
613:. It has been superseded by a second edition
388:
8:
3893:ISO 8601-1:2019 section 3.1.3.9 Decimal sign
3622:
3620:
3070:NEN ISO 8601, NEN EN 28601 (1994), NEN 2772
2693:for century. Other formats have one leading
1014:
407:
4186:"Date and Time on the Internet: Timestamps"
4025:Time: From Earth Rotation to Atomic Physics
3191:BS ISO 8601:2004, BS EN 28601 (1989-06-30)
2612:A specific week and day in the implied year
1582:* Unambiguous here because they are in the
1103:) notation; by convention 1 BC is labelled
27:International standards for dates and times
5642:
5628:
5620:
4873:
4859:
4851:
4467:Newman, Chris; Klyne, Graham (July 2002).
4423:Newman, Chris; Klyne, Graham (July 2002).
2581:A specific ordinal day in the implied year
2048:, then that character should be used. The
804:
762:with a minimal number of separators or an
662:
395:
381:
29:
4571:
4556:Sharma, Ujjwal; Bormann, Carsten (2024).
4533:
4486:
4474:Date and Time on the Internet: Timestamps
4438:
4426:Date and Time on the Internet: Timestamps
4205:
4140:. 2016-02-16. p. 12. ISO/WD 8601-1.
4073:Date and Time on the Internet: Timestamps
3993:Combined Communications Electronics Board
3298:
3296:
2864:ÖNORM ISO 8601 (replaced ÖNORM EN 28601)
2740:Repeat rules for recurring time intervals
1775:directly after the time without a space.
5404:International Commission on Stratigraphy
4814:The Mathematics of the ISO 8601 Calendar
4399:"ID3 tag version 2.4.0 - Main Structure"
3680:ISO 8601:2004 section 2.3.3 basic format
2930:DS/ISO 8601:2005 (replaced DS/EN 28601)
2849:
2450:
2430:"R5/2008-03-01T13:00:00Z/P1Y2M10DT2H30M"
1597:system. As of ISO 8601-1:2019, the
1586:section of this Knowledge (XXG) article.
4825:, specifying a profile of ISO 8601:1988
4653:"DOF - Diario Oficial de la Federación"
3844:"RFC 6350 - vCard Format Specification"
3802:"RFC 6350 - vCard Format Specification"
3286:
3284:
3257:
3227:Date and time representation by country
2730:Syntax for serializing a list of dates.
2660:A specific second of the implied minute
516:-related data. It is maintained by the
32:
4401:. id3.org. pp. §4. Archived from
3748:. 2004-12-01. section 4.1.2.1 General.
2508:A specific year in the implied century
2474:A specific date in the implied century
2441:
2436:Truncated representations (deprecated)
2400:
2304:
2118:
2070:
2067:Combined date and time representations
1997:may also be used if it is available.
1710:
1452:
1389:
1279:
1114:
1045:
810:
406:
4816:from the website of R.H. van Gent of
4762:ISO's catalog entry for ISO 8601:2004
3780:ISO 8601:2004 sections 3.4.2, 4.1.2.4
2547:
524:for writing numeric dates and times.
7:
4100:from the original on 20 January 2021
4029:Wiley-VCH Verlag GmbH & Co. KGaA
2539:A specific month in the implied year
2092:character by mutual agreement as in
1853:will be "+02:00","+0200", or "+02".
1107:, 2 BC is labeled −0001, and so on.
522:countries with different conventions
4791:The World Wide Web Consortium (W3C)
4192:. §5.6. Internet Date/Time Format.
3832:, although removed in ISO 8601:2004
2553:A specific day in the implied month
4612:from the original on 30 March 2018
3332:. 2004-12-01. p. iv Foreword.
2629:A specific day in the implied week
2366:and is not allowed in a filename.
1833:describes a time zone west of the
1672:earlier versions of the standard.
25:
5124:Discrete time and continuous time
4823:W3C "NOTE": Date and Time Formats
4481:. p. 8. sec. 5.6.
4184:G. Klyne; C. Newman (July 2002).
4147:from the original on 2022-10-05.
4023:; Seidelmann, Kenneth P. (2009).
3798:last in ISO 8601:2000, in use by
1826:in the format '±:', '±', or '±'.
7933:
7932:
5049:
5043:
4276:Java Platform Standard Edition 8
3842:Perreault, Simon (August 2011).
3662:from the original on 10 May 2021
2709:Extended Date/Time Format (EDTF)
2182:is the duration designator (for
1984:Other time offset specifications
1763:Coordinated Universal Time (UTC)
1328:, from W01 through W53. is the
40:
4716:from the original on 2021-11-24
4659:from the original on 2021-11-10
4361:from the original on 2014-01-25
4336:from the original on 2017-10-14
4311:from the original on 2017-10-14
4282:from the original on 2017-10-14
4241:from the original on 2021-03-12
4002:from the original on 2018-01-16
3967:from the original on 2022-10-05
3941:from the original on 2021-10-20
3864:from the original on 2016-05-31
3820:from the original on 2016-05-31
3628:ISO 8601 — Date and time format
3606:from the original on 2017-10-19
3488:from the original on 2020-03-07
3459:from the original on 2020-03-07
3427:from the original on 2017-10-20
3350:from the original on 2016-05-25
2313:<start>/<duration>
5197:History of timekeeping devices
2938:EVS 8:2008; EVS-ISO 8601:2011
2846:Adoption as national standards
1849:. So the zone designation for
1349:the week with 4 January in it,
748:by, for example, file systems.
1:
4599:National Standard of Canada,
4516:"Date and Time Specification"
3800:Perreault, S. (August 2011).
3346:. Technical committees. ISO.
3290:ISO 8601:2004 section 1 Scope
2996:IST EN 28601:1992 (obsolete)
2318:<duration>/<end>
569:(excludes images or sounds).
449:Date and time with the offset
326:Ultimate fate of the universe
7964:Date and time representation
4677:Czubla, Albin (2020-12-04).
1742:, or as an offset from UTC.
1032:proleptic Gregorian calendar
617:in 2000, by a third edition
5144:Gravitational time dilation
4980:Barycentric Coordinate Time
4706:"SANS 8601:2009 (Ed. 2.00)"
4606:Standards Council of Canada
4469:"Internet Date/Time Format"
3566:"ISO/DIS 8601-2:2016-10-26"
3387:"ISO/DIS 8601-1:2016-10-26"
3222:Astronomical year numbering
3175:(Accepted from 2021-02-15)
2391:"2007-11-13T00:00/16T00:00"
2387:"2007-11-13T09:00/15T17:00"
2132:P<date>T<time>
1658:, when seconds are omitted.
1078:astronomical year numbering
7995:
5000:Geocentric Coordinate Time
4985:Barycentric Dynamical Time
4923:Coordinated Universal Time
4810: (archived 2011-06-14)
4773:Preview of ISO 8601-2:2019
4767:Preview of ISO 8601-1:2019
4397:Nilsson, M. (2000-11-01).
3959:Markus Kuhn (2020-06-16).
3536:"ISO/WD 8601-2:2016-02-16"
3271:ISO 8601-1:2019/Amd 1:2022
2888:CAN/CSA-Z234.4-89 (R2007)
2439:
2308:<start>/<end>
2074:<date>T<time>
1318:year (see below). is the
1273:
1087:To represent years before
725:ISO 8601-1:2019/Amd 1:2022
545:24-hour timekeeping system
464:2024-09-20T16:49:42+12:00
458:2024-09-20T04:49:42+00:00
452:2024-09-19T16:49:42−12:00
7928:
5661:
5154:Time-translation symmetry
5041:
4965:International Atomic Time
4892:
4357:. Hydrogold. 2012-01-01.
2841:1996-12-19T16:39:57-08:00
2762:World Wide Web Consortium
2682:
2668:
2637:
2589:
2516:
2377:can start at any time on
1580:
1525:
1146:
1137:
650:Extended Date/Time Format
649:
638:most-to-least-significant
7979:Time measurement systems
4797:by Dr. Markus Kuhn from
2774:electronic program guide
2442:§ Reduced precision
2440:Not to be confused with
2105:"2007-04-05T12:30−02:00"
1746:Local time (unqualified)
1623:refers to a zero-padded
1616:refers to a zero-padded
1609:refers to a zero-padded
1527:In unambiguous contexts*
1339:the week with the first
1252:truncated representation
685:ISO 8601:1988/COR 1:1991
535:calendar (including the
5414:Astronomical chronology
5387:Archaeology and geology
5094:Absolute space and time
5010:IERS Reference Meridian
5005:International Date Line
4916:International standards
4840:Implementation overview
4521:Internet Message Format
4301:"Amazon Alexa Duration"
4272:"Java 8 Class Duration"
4232:The Library of Congress
3650:"Date and Time Formats"
3511:The Library of Congress
3482:The Library of Congress
3453:The Library of Congress
2701:Standardised extensions
2381:and end at any time on
1593:ISO 8601 uses the
1368:ISO week-numbering year
1324:prefixed by the letter
1312:ISO week-numbering year
631:ISO Technical Committee
4804:Summary of 8601 by ISO
3232:Date format by country
2426:"2008-03-01T13:00:00Z"
2272:"P0003-06-04T12:30:05"
1798:depending on context.
1639:or "T13:47:30" in the
1030:Earlier dates, in the
1015:
1006:The standard uses the
565:), or that do not use
506:international standard
7959:Calendaring standards
5373:Weekday determination
5259:Sundial markup schema
3158:TIS 1111:2535 (1992)
3062:NMX-CH-150-IMNC-1999
2050:HTML character entity
1802:Time offsets from UTC
1707:Time zone designators
1223:or "19810405" in the
742:lexicographical order
5394:Chronological dating
5134:Theory of relativity
4995:Daylight saving time
4829:RFC 3339 vs ISO 8601
4799:Cambridge University
4735:"SS-ISO 8601-1:2022"
4608:. 31 December 1989.
3509:. Draft Submission.
3252:Notes and references
3022:UNI EN 28601 (1993)
2872:NBN EN 28601 (1993)
2784:encoding standard's
2404:Rn/<interval>
2260:Daylight saving time
1913:daylight saving time
1757:daylight saving time
627:ISO 8601-2:2019
623:ISO 8601-1:2019
574:interchange standard
442:2024-09-20T04:49:42Z
5604:Time value of money
5399:Geologic time scale
5254:History of sundials
5119:Cosmological decade
5071:Greenwich Mean Time
4902:Orders of magnitude
4679:"Główny Urząd Miar"
4021:McCarthy, Dennis D.
3937:. 3 December 2008.
3574:Library of Congress
3544:Library of Congress
3395:Library of Congress
3183:ДСТУ ISO 8601:2010
3035:Korea, Republic of
2453:
2409:R/<interval>
2397:Repeating intervals
2352:interval designator
2101:"2007-04-05T14:30Z"
1974:List of UTC offsets
1937:British Summer Time
1880:Additional examples
1792:Greenwich Mean Time
1719:<time>±hh:mm
1685:dot on the baseline
1016:Convention du Mètre
807:
665:
660:of a calendar day.
567:computer characters
537:proleptic Gregorian
411:
7974:Specific calendars
5655:by standard number
5579:Mental chronometry
5207:Marine chronometer
5059:Obsolete standards
4818:Utrecht University
4384:2011-08-24 at the
3634:2013-03-08 at the
3126:UNE EN 28601:1995
2988:MSZ ISO 8601:2003
2903:2020-01-16 at the
2811:Internet protocols
2451:
2364:reserved character
2086:"2007-04-05T14:30"
1822:in the designated
1767:If the time is in
1724:<time>±hhmm
1620:between 00 and 59.
1613:between 00 and 24.
1316:Gregorian calendar
1082:Gregorian calendar
1008:Gregorian calendar
805:
735:General principles
663:
619:ISO 8601:2004
615:ISO 8601:2000
591:ISO 8601:1988
320:Radiometric dating
7946:
7945:
5669:ISO romanizations
5617:
5616:
5427:Nuclear timescale
5109:Continuous signal
4686:Główny Urząd Miar
4038:978-3-527-40780-4
3925:"ISO 8601 Format"
3375:. 26 August 2019.
3213:
3212:
3014:IS/EN 28601:1993
2687:
2686:
2469:Extended example
2413:
2412:
2327:
2326:
2323:<duration>
2136:
2135:
2078:
2077:
2019:should be used, (
1991:plus-minus-sign (
1733:
1732:
1591:
1590:
1587:
1439:1 January 4713 BC
1405:
1404:
1308:
1307:
1212:
1211:
1066:year 2000 problem
1062:
1061:
1004:
1003:
732:
731:
499:
498:
482:Week with weekday
436:Date and time in
410:
405:
404:
16:(Redirected from
7986:
7936:
7935:
5656:
5644:
5637:
5630:
5621:
5318:Dominical letter
5249:Equation of time
5212:Marine sandglass
5053:
5047:
5025:Terrestrial Time
4882:Time measurement
4875:
4868:
4861:
4852:
4795:ISO 8601 summary
4749:
4748:
4746:
4745:
4731:
4725:
4724:
4722:
4721:
4702:
4696:
4695:
4693:
4692:
4683:
4674:
4668:
4667:
4665:
4664:
4649:
4643:
4642:
4640:
4639:
4628:
4622:
4621:
4619:
4617:
4597:
4591:
4590:
4588:
4587:
4575:
4573:10.17487/RFC9557
4553:
4547:
4546:
4537:
4535:10.17487/RFC2822
4512:
4506:
4505:
4503:
4502:
4490:
4488:10.17487/RFC3339
4464:
4458:
4457:
4455:
4454:
4442:
4440:10.17487/RFC3339
4420:
4414:
4413:
4411:
4410:
4394:
4388:
4376:
4370:
4369:
4367:
4366:
4351:
4345:
4344:
4342:
4341:
4326:
4320:
4319:
4317:
4316:
4305:Amazon Developer
4297:
4291:
4290:
4288:
4287:
4268:
4262:
4259:
4253:
4252:
4247:
4246:
4240:
4229:
4221:
4215:
4214:
4209:
4198:10.17487/RFC3339
4190:Ietf Datatracker
4181:
4175:
4174:
4159:
4153:
4152:
4146:
4135:
4124:
4118:
4117:
4107:
4105:
4086:10.17487/RFC3339
4067:
4061:
4058:
4052:
4049:
4043:
4042:
4017:
4011:
4010:
4008:
4007:
4001:
3995:. October 2010.
3990:
3982:
3976:
3975:
3973:
3972:
3956:
3950:
3949:
3947:
3946:
3921:
3915:
3914:
3904:ISO 8601:2004(E)
3900:
3894:
3891:
3885:
3882:
3876:
3875:
3870:
3869:
3858:10.17487/RFC6350
3852:. §4.3.1. DATE.
3839:
3833:
3831:
3826:
3825:
3814:10.17487/RFC6350
3796:
3790:
3787:
3781:
3778:
3772:
3771:
3760:ISO 8601:2004(E)
3756:
3750:
3749:
3742:ISO 8601:2004(E)
3738:
3732:
3731:
3723:. Archived from
3704:
3698:
3687:
3681:
3678:
3672:
3671:
3669:
3667:
3645:
3639:
3624:
3615:
3614:
3612:
3611:
3592:
3586:
3585:
3583:
3577:. Archived from
3570:
3562:
3556:
3555:
3553:
3547:. Archived from
3540:
3532:
3526:
3525:
3523:
3522:
3513:. Archived from
3503:
3497:
3496:
3494:
3493:
3474:
3468:
3467:
3465:
3464:
3445:
3436:
3435:
3433:
3432:
3413:
3407:
3406:
3404:
3398:. Archived from
3391:
3383:
3377:
3376:
3365:
3359:
3358:
3356:
3355:
3340:
3334:
3333:
3326:ISO 8601:2004(E)
3322:
3316:
3315:
3304:ISO 8601:2004(E)
3300:
3291:
3288:
3279:
3278:
3267:
3208:TCVN 6398-1:1998
3030:JIS X 0301:2002
2850:
2842:
2796:As of 2006, the
2696:
2692:
2454:
2431:
2427:
2401:
2392:
2388:
2384:
2380:
2376:
2305:
2273:
2269:
2119:
2106:
2102:
2095:
2087:
2071:
2059:
2055:
2043:
2040:
2037:
2035:
2022:
2012:
1994:
1729:<time>±hh
1711:
1581:
1453:
1444:
1440:
1428:
1424:
1421:). For example,
1390:
1280:
1257:
1249:
1245:
1233:
1218:
1208:
1201:
1186:
1171:
1156:
1135:
1120:
1115:
1046:
1023:) was signed in
1021:Metre Convention
1018:
979:
951:
923:
895:
867:
839:
808:
794:decimal fraction
781:
666:
643:
563:Chinese calendar
547:, with optional
444:20240920T044942Z
412:
409:
397:
390:
383:
327:
211:Day of Judgement
44:
30:
21:
7994:
7993:
7989:
7988:
7987:
7985:
7984:
7983:
7949:
7948:
7947:
7942:
7924:
7848:
7574:
6726:
5675:
5657:
5654:
5648:
5618:
5613:
5550:
5441:
5408:
5382:
5263:
5163:
5114:Coordinate time
5086:Time in physics
5080:
5054:
5048:
5039:
4911:
4888:
4879:
4808:Wayback Machine
4758:
4753:
4752:
4743:
4741:
4733:
4732:
4728:
4719:
4717:
4704:
4703:
4699:
4690:
4688:
4681:
4676:
4675:
4671:
4662:
4660:
4651:
4650:
4646:
4637:
4635:
4630:
4629:
4625:
4615:
4613:
4600:
4598:
4594:
4585:
4583:
4555:
4554:
4550:
4514:
4513:
4509:
4500:
4498:
4466:
4465:
4461:
4452:
4450:
4422:
4421:
4417:
4408:
4406:
4396:
4395:
4391:
4386:Wayback Machine
4377:
4373:
4364:
4362:
4353:
4352:
4348:
4339:
4337:
4328:
4327:
4323:
4314:
4312:
4299:
4298:
4294:
4285:
4283:
4270:
4269:
4265:
4260:
4256:
4244:
4242:
4238:
4227:
4223:
4222:
4218:
4183:
4182:
4178:
4161:
4160:
4156:
4144:
4133:
4126:
4125:
4121:
4103:
4101:
4069:
4068:
4064:
4059:
4055:
4050:
4046:
4039:
4019:
4018:
4014:
4005:
4003:
3999:
3988:
3984:
3983:
3979:
3970:
3968:
3958:
3957:
3953:
3944:
3942:
3923:
3922:
3918:
3902:
3901:
3897:
3892:
3888:
3883:
3879:
3867:
3865:
3841:
3840:
3836:
3823:
3821:
3799:
3797:
3793:
3788:
3784:
3779:
3775:
3758:
3757:
3753:
3740:
3739:
3735:
3727:on 2004-04-01.
3721:
3706:
3705:
3701:
3688:
3684:
3679:
3675:
3665:
3663:
3647:
3646:
3642:
3636:Wayback Machine
3625:
3618:
3609:
3607:
3594:
3593:
3589:
3581:
3568:
3564:
3563:
3559:
3551:
3538:
3534:
3533:
3529:
3520:
3518:
3505:
3504:
3500:
3491:
3489:
3484:. 2019-10-08 .
3476:
3475:
3471:
3462:
3460:
3455:. 2019-10-08 .
3447:
3446:
3439:
3430:
3428:
3415:
3414:
3410:
3402:
3389:
3385:
3384:
3380:
3367:
3366:
3362:
3353:
3351:
3342:
3341:
3337:
3324:
3323:
3319:
3302:
3301:
3294:
3289:
3282:
3269:
3268:
3259:
3254:
3218:
3188:United Kingdom
3118:SANS 8601:2009
2919:Czech Republic
2914:GB/T 7408-2005
2905:Wayback Machine
2848:
2840:
2807:
2794:
2786:GeneralizedTime
2764:(W3C) uses the
2754:
2703:
2694:
2690:
2466:Extended format
2445:
2438:
2429:
2425:
2399:
2390:
2386:
2382:
2378:
2375:"2007-11-13/15"
2374:
2303:
2271:
2267:
2122:PnYnMnDTnHnMnS
2117:
2104:
2100:
2093:
2085:
2069:
2057:
2053:
2052:invocation for
2041:
2038:
2033:
2032:
2030:
2020:
2010:
1992:
1986:
1882:
1804:
1765:
1748:
1709:
1656:extended format
1641:extended format
1603:extended format
1451:
1442:
1438:
1426:
1425:is the same as
1422:
1388:
1278:
1272:
1255:
1247:
1243:
1231:
1221:extended format
1216:
1206:
1199:
1184:
1169:
1154:
1133:
1118:
1113:
1072:and all others
1044:
1036:Julian calendar
977:
949:
921:
893:
865:
837:
806:September 2024
803:
779:
764:extended format
737:
717:ISO 8601-2:2019
709:ISO 8601-1:2019
641:
587:
578:Arabic numerals
543:, based on the
462:
456:
443:
430:
401:
372:
371:
347:
346:
337:
336:
332:Time in physics
325:
300:
299:
298:
279:
278:
259:
258:
257:
236:
235:
196:
195:
194:
175:
174:
150:
149:
138:
137:
98:
97:
96:Fields of study
88:
87:
54:
53:
28:
23:
22:
15:
12:
11:
5:
7992:
7990:
7982:
7981:
7976:
7971:
7966:
7961:
7951:
7950:
7944:
7943:
7941:
7940:
7929:
7926:
7925:
7923:
7922:
7917:
7912:
7907:
7902:
7897:
7892:
7887:
7882:
7877:
7872:
7867:
7862:
7856:
7854:
7850:
7849:
7847:
7846:
7841:
7836:
7831:
7828:
7823:
7818:
7813:
7808:
7803:
7798:
7793:
7788:
7783:
7778:
7773:
7768:
7763:
7758:
7753:
7748:
7743:
7738:
7733:
7728:
7723:
7718:
7713:
7708:
7703:
7698:
7693:
7688:
7683:
7678:
7673:
7668:
7663:
7658:
7653:
7648:
7643:
7638:
7633:
7628:
7623:
7618:
7613:
7608:
7603:
7598:
7593:
7588:
7582:
7580:
7576:
7575:
7573:
7572:
7567:
7562:
7557:
7552:
7547:
7542:
7537:
7532:
7527:
7522:
7517:
7512:
7507:
7502:
7497:
7492:
7487:
7482:
7477:
7472:
7467:
7462:
7457:
7456:
7455:
7450:
7440:
7435:
7430:
7425:
7420:
7415:
7410:
7405:
7400:
7395:
7390:
7385:
7380:
7375:
7370:
7365:
7360:
7355:
7350:
7345:
7340:
7335:
7330:
7325:
7320:
7315:
7310:
7305:
7300:
7295:
7290:
7285:
7284:
7283:
7273:
7268:
7263:
7258:
7253:
7248:
7243:
7242:
7241:
7236:
7226:
7221:
7216:
7211:
7206:
7201:
7196:
7191:
7186:
7181:
7176:
7171:
7166:
7161:
7156:
7155:
7154:
7149:
7144:
7139:
7134:
7129:
7124:
7119:
7114:
7104:
7099:
7094:
7089:
7084:
7079:
7074:
7069:
7064:
7059:
7054:
7049:
7044:
7039:
7034:
7029:
7024:
7019:
7014:
7009:
7008:
7007:
7002:
6992:
6987:
6982:
6977:
6972:
6967:
6962:
6957:
6952:
6947:
6937:
6932:
6927:
6922:
6917:
6912:
6907:
6902:
6897:
6892:
6887:
6882:
6877:
6872:
6867:
6862:
6857:
6852:
6847:
6842:
6837:
6832:
6827:
6822:
6821:
6820:
6815:
6810:
6805:
6800:
6790:
6785:
6780:
6775:
6770:
6765:
6760:
6755:
6750:
6745:
6740:
6734:
6732:
6728:
6727:
6725:
6724:
6719:
6714:
6709:
6704:
6699:
6694:
6689:
6684:
6679:
6674:
6669:
6664:
6659:
6654:
6649:
6644:
6639:
6634:
6629:
6624:
6619:
6614:
6609:
6604:
6599:
6594:
6593:
6592:
6587:
6582:
6577:
6572:
6567:
6562:
6557:
6552:
6547:
6542:
6537:
6532:
6527:
6522:
6517:
6512:
6502:
6497:
6492:
6487:
6482:
6477:
6472:
6467:
6462:
6457:
6452:
6447:
6442:
6437:
6432:
6427:
6422:
6417:
6412:
6407:
6402:
6397:
6392:
6387:
6382:
6377:
6376:
6375:
6365:
6360:
6355:
6350:
6345:
6340:
6335:
6330:
6325:
6320:
6315:
6310:
6305:
6300:
6295:
6290:
6285:
6280:
6275:
6270:
6265:
6260:
6255:
6250:
6245:
6240:
6235:
6230:
6225:
6220:
6215:
6210:
6205:
6200:
6195:
6190:
6185:
6180:
6175:
6170:
6165:
6160:
6155:
6154:
6153:
6148:
6143:
6133:
6128:
6123:
6118:
6113:
6108:
6103:
6098:
6093:
6088:
6083:
6078:
6073:
6068:
6063:
6058:
6053:
6048:
6043:
6038:
6033:
6028:
6023:
6018:
6013:
6008:
6003:
5998:
5993:
5988:
5983:
5978:
5973:
5968:
5963:
5958:
5953:
5948:
5943:
5938:
5933:
5928:
5923:
5918:
5913:
5912:
5911:
5906:
5901:
5896:
5891:
5881:
5876:
5871:
5866:
5861:
5856:
5851:
5846:
5841:
5836:
5831:
5826:
5821:
5816:
5811:
5806:
5801:
5800:
5799:
5794:
5789:
5784:
5779:
5774:
5769:
5764:
5759:
5754:
5749:
5744:
5739:
5729:
5724:
5719:
5714:
5709:
5704:
5699:
5694:
5689:
5683:
5681:
5677:
5676:
5662:
5659:
5658:
5649:
5647:
5646:
5639:
5632:
5624:
5615:
5614:
5612:
5611:
5606:
5601:
5599:Time metrology
5596:
5591:
5586:
5581:
5576:
5575:
5574:
5564:
5558:
5556:
5555:Related topics
5552:
5551:
5549:
5548:
5543:
5538:
5533:
5528:
5523:
5518:
5513:
5508:
5503:
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5483:
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5468:
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5442:
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5410:
5409:
5407:
5406:
5401:
5396:
5390:
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5384:
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5380:
5375:
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5360:
5355:
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5335:
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5315:
5310:
5305:
5300:
5294:
5289:
5284:
5279:
5273:
5271:
5265:
5264:
5262:
5261:
5256:
5251:
5246:
5244:Dialing scales
5241:
5236:
5231:
5230:
5229:
5219:
5214:
5209:
5204:
5199:
5194:
5189:
5184:
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5165:
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5136:
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5126:
5121:
5116:
5111:
5106:
5101:
5096:
5090:
5088:
5082:
5081:
5079:
5078:
5076:Prime meridian
5073:
5068:
5066:Ephemeris time
5062:
5060:
5056:
5055:
5042:
5040:
5038:
5037:
5035:180th meridian
5032:
5027:
5022:
5017:
5012:
5007:
5002:
4997:
4992:
4987:
4982:
4977:
4972:
4967:
4962:
4957:
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4947:
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4776:
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4757:
4756:External links
4754:
4751:
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4459:
4415:
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4321:
4307:. Amazon.com.
4292:
4263:
4254:
4234:. p. 23.
4216:
4176:
4169:. 2004-12-01.
4154:
4119:
4062:
4053:
4044:
4037:
4031:. p. 10.
4012:
3977:
3951:
3934:Microsoft Docs
3916:
3910:, 2004-12-01,
3895:
3886:
3877:
3834:
3791:
3782:
3773:
3766:. 2004-12-01.
3751:
3733:
3719:
3699:
3682:
3673:
3640:
3616:
3596:"German draft
3587:
3584:on 2017-10-20.
3557:
3554:on 2017-10-19.
3527:
3498:
3469:
3437:
3417:"German draft
3408:
3405:on 2017-10-19.
3378:
3360:
3335:
3317:
3310:, 2004-12-01,
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3038:KS X ISO 8601
3036:
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3028:
3024:
3023:
3020:
3016:
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3012:
3008:
3007:
3004:
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2989:
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2980:ELOT EN 28601
2978:
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2907:
2896:NTC 1034:2014
2894:
2890:
2889:
2886:
2882:
2881:
2880:NBR 5892:2019
2878:
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2505:
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2309:
2302:
2301:Time intervals
2299:
2295:
2294:
2291:
2240:
2239:
2238:
2237:
2231:
2225:
2213:
2212:
2211:
2205:
2199:
2193:
2134:
2133:
2129:
2128:
2124:
2123:
2116:
2113:
2094:"200704051430"
2076:
2075:
2068:
2065:
2028:
1985:
1982:
1970:
1969:
1959:
1949:
1939:
1925:
1915:
1893:
1881:
1878:
1835:prime meridian
1803:
1800:
1788:Zulu time zone
1764:
1761:
1747:
1744:
1731:
1730:
1726:
1725:
1721:
1720:
1716:
1715:
1714:<time>Z
1708:
1705:
1663:
1662:
1659:
1633:
1632:
1621:
1614:
1589:
1588:
1578:
1577:
1575:
1573:
1569:
1568:
1565:
1560:
1556:
1555:
1552:
1547:
1543:
1542:
1539:
1534:
1530:
1529:
1523:
1522:
1520:
1518:
1514:
1513:
1511:
1509:
1505:
1504:
1501:
1496:
1492:
1491:
1488:
1483:
1479:
1478:
1475:
1470:
1466:
1465:
1462:
1457:
1456:Thh:mm:ss.sss
1450:
1447:
1403:
1402:
1399:
1394:
1387:
1384:
1383:
1382:
1379:
1357:
1356:
1353:
1350:
1347:
1344:
1330:weekday number
1306:
1305:
1302:
1297:
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1274:Main article:
1271:
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1187:
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1172:
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1162:
1157:
1151:
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1130:
1129:
1126:
1121:
1112:
1111:Calendar dates
1109:
1060:
1059:
1051:
1050:
1043:
1040:
1002:
1001:
998:
995:
992:
989:
986:
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964:
961:
958:
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952:
946:
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924:
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902:
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896:
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883:
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846:
843:
840:
834:
833:
830:
827:
824:
821:
818:
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812:
802:
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783:
756:
749:
736:
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702:
698:
697:
694:
690:
689:
686:
682:
681:
678:
674:
673:
670:
586:
583:
581:the standard.
559:names of years
554:time intervals
497:
496:
495:2024‐264
493:
487:
486:
483:
479:
478:
475:
469:
468:
450:
446:
445:
440:
433:
432:
427:
420:
419:
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403:
402:
400:
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385:
377:
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370:
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364:
359:
354:
348:
345:Related topics
344:
343:
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329:
322:
317:
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307:
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291:
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99:
95:
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93:
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86:
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83:
72:
71:
66:
61:
55:
52:Major concepts
51:
50:
49:
46:
45:
37:
36:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
7991:
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7969:ISO standards
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7274:
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6453:
6451:
6448:
6446:
6443:
6441:
6438:
6436:
6433:
6431:
6428:
6426:
6423:
6421:
6418:
6416:
6413:
6411:
6408:
6406:
6403:
6401:
6398:
6396:
6393:
6391:
6388:
6386:
6383:
6381:
6378:
6374:
6371:
6370:
6369:
6366:
6364:
6361:
6359:
6356:
6354:
6351:
6349:
6346:
6344:
6341:
6339:
6336:
6334:
6331:
6329:
6326:
6324:
6321:
6319:
6316:
6314:
6311:
6309:
6306:
6304:
6301:
6299:
6296:
6294:
6291:
6289:
6286:
6284:
6281:
6279:
6276:
6274:
6271:
6269:
6266:
6264:
6261:
6259:
6256:
6254:
6251:
6249:
6246:
6244:
6241:
6239:
6236:
6234:
6231:
6229:
6226:
6224:
6221:
6219:
6216:
6214:
6211:
6209:
6206:
6204:
6201:
6199:
6196:
6194:
6191:
6189:
6186:
6184:
6181:
6179:
6176:
6174:
6171:
6169:
6166:
6164:
6161:
6159:
6156:
6152:
6149:
6147:
6144:
6142:
6139:
6138:
6137:
6134:
6132:
6129:
6127:
6124:
6122:
6119:
6117:
6114:
6112:
6109:
6107:
6104:
6102:
6099:
6097:
6094:
6092:
6089:
6087:
6084:
6082:
6079:
6077:
6074:
6072:
6069:
6067:
6064:
6062:
6059:
6057:
6054:
6052:
6049:
6047:
6044:
6042:
6039:
6037:
6034:
6032:
6029:
6027:
6024:
6022:
6019:
6017:
6014:
6012:
6009:
6007:
6004:
6002:
5999:
5997:
5994:
5992:
5989:
5987:
5984:
5982:
5979:
5977:
5974:
5972:
5969:
5967:
5964:
5962:
5959:
5957:
5954:
5952:
5949:
5947:
5944:
5942:
5939:
5937:
5934:
5932:
5929:
5927:
5924:
5922:
5919:
5917:
5914:
5910:
5907:
5905:
5902:
5900:
5897:
5895:
5892:
5890:
5887:
5886:
5885:
5882:
5880:
5877:
5875:
5872:
5870:
5867:
5865:
5862:
5860:
5857:
5855:
5852:
5850:
5847:
5845:
5842:
5840:
5837:
5835:
5832:
5830:
5827:
5825:
5822:
5820:
5817:
5815:
5812:
5810:
5807:
5805:
5802:
5798:
5795:
5793:
5790:
5788:
5785:
5783:
5780:
5778:
5775:
5773:
5770:
5768:
5765:
5763:
5760:
5758:
5755:
5753:
5750:
5748:
5745:
5743:
5740:
5738:
5735:
5734:
5733:
5730:
5728:
5725:
5723:
5720:
5718:
5715:
5713:
5710:
5708:
5705:
5703:
5700:
5698:
5695:
5693:
5690:
5688:
5685:
5684:
5682:
5678:
5674:
5673:IEC standards
5670:
5666:
5665:ISO standards
5660:
5652:
5645:
5640:
5638:
5633:
5631:
5626:
5625:
5622:
5610:
5607:
5605:
5602:
5600:
5597:
5595:
5592:
5590:
5587:
5585:
5582:
5580:
5577:
5573:
5570:
5569:
5568:
5565:
5563:
5560:
5559:
5557:
5553:
5547:
5544:
5542:
5539:
5537:
5534:
5532:
5529:
5527:
5524:
5522:
5519:
5517:
5514:
5512:
5509:
5507:
5504:
5502:
5499:
5497:
5494:
5492:
5489:
5487:
5484:
5482:
5479:
5477:
5474:
5472:
5469:
5467:
5464:
5462:
5459:
5457:
5454:
5453:
5451:
5449:
5448:units of time
5444:
5438:
5437:Sidereal time
5435:
5433:
5430:
5428:
5425:
5423:
5422:Galactic year
5420:
5419:
5417:
5415:
5411:
5405:
5402:
5400:
5397:
5395:
5392:
5391:
5389:
5385:
5379:
5378:Weekday names
5376:
5374:
5371:
5369:
5368:Tropical year
5366:
5364:
5361:
5359:
5356:
5354:
5351:
5349:
5346:
5344:
5341:
5339:
5336:
5334:
5333:Intercalation
5331:
5329:
5326:
5324:
5321:
5319:
5316:
5314:
5311:
5309:
5306:
5304:
5301:
5299:(lunar Hijri)
5298:
5295:
5293:
5290:
5288:
5285:
5283:
5280:
5278:
5275:
5274:
5272:
5270:
5266:
5260:
5257:
5255:
5252:
5250:
5247:
5245:
5242:
5240:
5237:
5235:
5232:
5228:
5225:
5224:
5223:
5220:
5218:
5215:
5213:
5210:
5208:
5205:
5203:
5200:
5198:
5195:
5193:
5190:
5188:
5185:
5183:
5180:
5178:
5175:
5174:
5172:
5170:
5166:
5160:
5157:
5155:
5152:
5150:
5147:
5145:
5142:
5140:
5139:Time dilation
5137:
5135:
5132:
5130:
5127:
5125:
5122:
5120:
5117:
5115:
5112:
5110:
5107:
5105:
5102:
5100:
5097:
5095:
5092:
5091:
5089:
5087:
5083:
5077:
5074:
5072:
5069:
5067:
5064:
5063:
5061:
5057:
5052:
5046:
5036:
5033:
5031:
5028:
5026:
5023:
5021:
5018:
5016:
5013:
5011:
5008:
5006:
5003:
5001:
4998:
4996:
4993:
4991:
4988:
4986:
4983:
4981:
4978:
4976:
4975:24-hour clock
4973:
4971:
4970:12-hour clock
4968:
4966:
4963:
4961:
4958:
4956:
4953:
4951:
4948:
4946:
4943:
4941:
4938:
4936:
4933:
4929:
4926:
4925:
4924:
4921:
4920:
4918:
4914:
4908:
4905:
4903:
4900:
4898:
4895:
4894:
4891:
4887:
4883:
4876:
4871:
4869:
4864:
4862:
4857:
4856:
4853:
4847:
4844:
4843:
4842:
4841:
4834:
4830:
4827:
4824:
4821:
4819:
4815:
4812:
4809:
4805:
4802:
4800:
4796:
4793:
4790:
4787:
4785:
4782:
4780:
4777:
4774:
4771:
4768:
4765:
4763:
4760:
4759:
4755:
4740:
4736:
4730:
4727:
4715:
4711:
4710:SABS Webstore
4707:
4701:
4698:
4687:
4680:
4673:
4670:
4658:
4654:
4648:
4645:
4633:
4627:
4624:
4611:
4607:
4603:
4596:
4593:
4582:
4579:
4574:
4569:
4565:
4561:
4560:
4552:
4549:
4544:
4541:
4536:
4531:
4527:
4523:
4522:
4517:
4511:
4508:
4497:
4494:
4489:
4484:
4480:
4476:
4475:
4470:
4463:
4460:
4449:
4446:
4441:
4436:
4432:
4428:
4427:
4419:
4416:
4405:on 2015-03-09
4404:
4400:
4393:
4390:
4387:
4383:
4380:
4375:
4372:
4360:
4356:
4350:
4347:
4335:
4332:. Cs.tut.fi.
4331:
4325:
4322:
4310:
4306:
4302:
4296:
4293:
4281:
4277:
4273:
4267:
4264:
4258:
4255:
4251:
4237:
4233:
4226:
4220:
4217:
4213:
4208:
4203:
4199:
4195:
4191:
4187:
4180:
4177:
4173:
4168:
4164:
4158:
4155:
4151:
4143:
4139:
4132:
4131:
4123:
4120:
4116:
4112:Tools Pages.
4111:
4099:
4095:
4091:
4087:
4083:
4079:
4075:
4074:
4066:
4063:
4057:
4054:
4048:
4045:
4040:
4034:
4030:
4026:
4022:
4016:
4013:
3998:
3994:
3987:
3981:
3978:
3966:
3962:
3955:
3952:
3940:
3936:
3935:
3930:
3926:
3920:
3917:
3913:
3909:
3905:
3899:
3896:
3890:
3887:
3881:
3878:
3874:
3863:
3859:
3855:
3851:
3850:
3845:
3838:
3835:
3830:
3819:
3815:
3811:
3807:
3803:
3795:
3792:
3786:
3783:
3777:
3774:
3770:
3765:
3761:
3755:
3752:
3747:
3743:
3737:
3734:
3730:
3726:
3722:
3720:0-935702-68-7
3716:
3712:
3711:
3703:
3700:
3696:
3692:
3686:
3683:
3677:
3674:
3661:
3657:
3656:
3651:
3644:
3641:
3637:
3633:
3629:
3623:
3621:
3617:
3605:
3601:
3599:
3591:
3588:
3580:
3576:
3575:
3567:
3561:
3558:
3550:
3546:
3545:
3537:
3531:
3528:
3517:on 2017-07-15
3516:
3512:
3508:
3502:
3499:
3487:
3483:
3479:
3473:
3470:
3458:
3454:
3450:
3444:
3442:
3438:
3426:
3422:
3420:
3412:
3409:
3401:
3397:
3396:
3388:
3382:
3379:
3374:
3370:
3364:
3361:
3349:
3345:
3339:
3336:
3331:
3327:
3321:
3318:
3314:
3309:
3305:
3299:
3297:
3293:
3287:
3285:
3281:
3276:
3272:
3266:
3264:
3262:
3258:
3251:
3247:
3243:
3240:
3238:
3235:
3233:
3230:
3228:
3225:
3223:
3220:
3219:
3215:
3209:
3206:
3203:
3202:
3198:
3195:
3194:
3190:
3187:
3186:
3182:
3179:
3178:
3174:
3173:TS ISO 8601-2
3170:
3169:TS ISO 8601-1
3167:
3165:
3162:
3161:
3157:
3154:
3153:
3149:
3146:
3145:
3141:
3138:
3137:
3133:
3130:
3129:
3125:
3122:
3121:
3117:
3115:South Africa
3114:
3113:
3109:
3106:
3105:
3101:
3098:
3097:
3093:
3090:
3089:
3085:
3082:
3081:
3077:
3074:
3073:
3069:
3066:
3065:
3061:
3058:
3057:
3054:ITM-EN 28601
3053:
3050:
3049:
3045:
3042:
3041:
3037:
3034:
3033:
3029:
3026:
3025:
3021:
3018:
3017:
3013:
3010:
3009:
3006:IS 7900:2001
3005:
3003:
3000:
2999:
2995:
2992:
2991:
2987:
2984:
2983:
2979:
2976:
2975:
2971:
2968:
2967:
2963:
2960:
2959:
2956:SFS-EN 28601
2955:
2952:
2951:
2947:
2945:
2944:European Norm
2942:
2941:
2937:
2934:
2933:
2929:
2926:
2925:
2921:
2918:
2917:
2913:
2910:
2909:
2906:
2902:
2899:
2895:
2892:
2891:
2887:
2884:
2883:
2879:
2876:
2875:
2871:
2868:
2867:
2863:
2860:
2859:
2855:
2852:
2851:
2845:
2843:
2838:
2835:
2830:
2828:
2822:
2820:
2816:
2812:
2804:
2802:
2799:
2798:ISO week date
2791:
2789:
2787:
2783:
2779:
2775:
2770:
2767:
2763:
2759:
2751:
2746:
2742:
2739:
2738:
2734:
2729:
2726:
2723:
2720:
2717:
2714:
2713:
2711:
2708:
2707:
2706:
2700:
2698:
2679:
2676:
2673:
2672:
2665:
2662:
2659:
2658:
2654:
2651:
2648:
2645:
2642:
2641:
2634:
2631:
2628:
2627:
2623:
2620:
2617:
2614:
2611:
2610:
2606:
2603:
2600:
2597:
2594:
2593:
2586:
2583:
2580:
2579:
2575:
2572:
2569:
2566:
2563:
2562:
2558:
2555:
2552:
2551:
2544:
2541:
2538:
2537:
2533:
2530:
2527:
2524:
2521:
2520:
2513:
2510:
2507:
2506:
2502:
2499:
2496:
2493:
2490:
2489:
2485:
2482:
2479:
2476:
2473:
2472:
2468:
2465:
2463:Basic example
2462:
2459:
2456:
2455:
2449:
2443:
2435:
2433:
2421:
2418:
2408:
2407:
2403:
2402:
2396:
2394:
2371:
2367:
2365:
2361:
2357:
2356:forward slash
2353:
2345:
2342:
2339:
2336:
2335:
2334:
2331:
2322:
2321:
2317:
2316:
2312:
2311:
2307:
2306:
2300:
2298:
2292:
2289:
2288:
2287:
2285:
2279:
2277:
2263:
2261:
2257:
2253:
2247:
2243:
2235:
2232:
2229:
2226:
2223:
2220:
2219:
2217:
2214:
2209:
2206:
2203:
2200:
2197:
2194:
2191:
2188:
2187:
2185:
2181:
2178:
2177:
2176:
2174:
2170:
2166:
2162:
2158:
2154:
2150:
2146:
2142:
2131:
2130:
2126:
2125:
2121:
2120:
2114:
2112:
2108:
2097:
2091:
2083:
2073:
2072:
2066:
2064:
2061:
2051:
2047:
2026:
2018:
2014:
2005:
2003:
1998:
1996:
1983:
1981:
1979:
1975:
1968:
1964:
1960:
1958:
1954:
1950:
1948:
1944:
1940:
1938:
1934:
1930:
1926:
1924:
1920:
1916:
1914:
1910:
1906:
1905:standard time
1902:
1898:
1894:
1892:
1888:
1884:
1883:
1879:
1877:
1875:
1871:
1867:
1863:
1862:standard time
1859:
1854:
1852:
1848:
1844:
1843:standard time
1840:
1836:
1832:
1827:
1825:
1821:
1817:
1813:
1812:nautical time
1809:
1801:
1799:
1797:
1793:
1789:
1785:
1780:
1778:
1774:
1770:
1762:
1760:
1758:
1753:
1745:
1743:
1741:
1737:
1728:
1727:
1723:
1722:
1718:
1717:
1713:
1712:
1706:
1704:
1702:
1696:
1694:
1690:
1686:
1682:
1678:
1673:
1670:
1669:
1660:
1657:
1653:
1649:
1648:
1647:
1644:
1642:
1638:
1630:
1626:
1622:
1619:
1615:
1612:
1608:
1607:
1606:
1604:
1601:is T and the
1600:
1596:
1595:24-hour clock
1585:
1579:
1576:
1574:
1571:
1570:
1566:
1564:
1561:
1558:
1557:
1553:
1551:
1548:
1545:
1544:
1540:
1538:
1535:
1533:hh:mm:ss.sss
1532:
1531:
1528:
1524:
1521:
1519:
1516:
1515:
1512:
1510:
1507:
1506:
1502:
1500:
1497:
1494:
1493:
1489:
1487:
1484:
1481:
1480:
1476:
1474:
1471:
1468:
1467:
1463:
1461:
1458:
1455:
1454:
1448:
1446:
1436:
1430:
1420:
1416:
1412:
1411:
1400:
1398:
1395:
1392:
1391:
1386:Ordinal dates
1385:
1380:
1377:
1376:
1375:
1372:
1369:
1364:
1361:
1354:
1351:
1348:
1345:
1342:
1338:
1337:
1336:
1333:
1331:
1327:
1323:
1322:
1317:
1313:
1303:
1301:
1298:
1295:
1294:
1290:
1288:
1285:
1282:
1281:
1277:
1276:ISO week date
1269:
1264:
1263:
1262:
1259:
1253:
1241:
1237:
1228:
1226:
1222:
1205:
1204:
1198:
1197:
1193:
1191:
1188:
1183:
1182:
1178:
1176:
1173:
1168:
1167:
1163:
1161:
1158:
1153:
1152:
1149:
1145:
1141:
1132:
1131:
1127:
1125:
1122:
1117:
1116:
1110:
1108:
1106:
1102:
1098:
1094:
1090:
1085:
1083:
1079:
1076:, similar to
1075:
1071:
1067:
1057:
1053:
1052:
1048:
1047:
1041:
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769:
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761:
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754:
753:leading zeros
750:
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739:
738:
734:
727:
724:
723:
719:
716:
715:
711:
708:
707:
703:
701:ISO 8601:2004
700:
699:
695:
693:ISO 8601:2000
692:
691:
687:
684:
683:
679:
677:ISO 8601:1988
676:
675:
671:
668:
667:
661:
659:
653:
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632:
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624:
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318:
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311:
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306:
305:Chronobiology
303:
302:
295:
292:
289:
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283:
282:
275:
272:
270:
267:
265:
262:
261:
254:
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249:
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226:Reincarnation
224:
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56:
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39:
38:
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31:
19:
7791:27000 series
6459:
5584:Decimal time
5313:Astronomical
5192:Complication
5187:Atomic clock
4959:
4839:
4838:
4833:Venn diagram
4742:. Retrieved
4739:SIS Webstore
4738:
4729:
4718:. Retrieved
4709:
4700:
4689:. Retrieved
4685:
4672:
4661:. Retrieved
4647:
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4634:. 2023-04-17
4626:
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4403:the original
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3709:
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3653:
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3597:
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3572:
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3515:the original
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3472:
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3429:. Retrieved
3418:
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3400:the original
3393:
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3338:
3325:
3320:
3311:
3303:
3277:, 2022-10-25
3270:
3139:Switzerland
3102:NP EN 28601
3086:NS-ISO 8601
3075:New Zealand
3067:Netherlands
2839:
2831:
2823:
2808:
2795:
2771:
2755:
2704:
2688:
2460:Basic format
2446:
2422:
2416:
2414:
2372:
2368:
2351:
2349:
2332:
2328:
2296:
2284:leap seconds
2280:
2264:
2248:
2244:
2241:
2233:
2227:
2221:
2215:
2207:
2201:
2195:
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2148:
2144:
2140:
2137:
2109:
2098:
2089:
2081:
2079:
2062:
2017:hyphen-minus
2009:minus sign (
2006:
1999:
1987:
1971:
1919:−03:00
1897:−06:00
1887:−10:00
1864:) would be "
1855:
1828:
1805:
1783:
1781:
1776:
1772:
1766:
1751:
1749:
1734:
1697:
1677:decimal mark
1674:
1666:
1664:
1655:
1652:basic format
1651:
1645:
1640:
1637:basic format
1636:
1634:
1602:
1599:basic format
1598:
1592:
1583:
1562:
1549:
1541:hhmmss.sss*
1536:
1526:
1498:
1485:
1472:
1464:Thhmmss.sss
1459:
1431:
1423:"1981-04-05"
1410:ordinal date
1408:
1406:
1396:
1373:
1367:
1365:
1362:
1358:
1341:business day
1334:
1329:
1325:
1319:
1311:
1309:
1299:
1286:
1260:
1244:"YYYY-MM-DD"
1229:
1225:basic format
1224:
1220:
1217:"1981-04-05"
1213:
1189:
1174:
1159:
1147:
1139:
1123:
1086:
1063:
1055:
1029:
1012:
1005:
785:For reduced
780:"2009-01-06"
774:, while the
763:
760:basic format
759:
672:Description
657:
654:
646:
635:
626:
622:
618:
614:
590:
588:
573:
571:
552:
540:
528:
526:
501:
500:
491:Ordinal date
457:
263:
128:Paleontology
81:of the world
7579:20000–29999
6731:10000–19999
5594:System time
5589:Metric time
5308:Solar Hijri
5234:Water clock
5217:Radio clock
5149:Time domain
5129:Proper time
5015:Leap second
4897:Chronometry
3246:Wikiversity
3051:Luxembourg
2058:−
1978:UTC offsets
1829:A negative
1818:to get the
1689:ISO 80000-1
1679:, either a
1629:leap second
1443:−4713-11-24
1321:week number
539:calendar);
367:Time travel
274:Hexadecimal
248:Measurement
216:Immortality
103:Archaeology
7953:Categories
7358:16949 (TS)
6955:11941 (TR)
5653:standards
5609:Timekeeper
5562:Chronology
5546:Millennium
5432:Precession
5338:Julian day
5159:T-symmetry
5020:Solar time
4990:Civil time
4744:2023-10-06
4720:2021-11-24
4691:2020-12-04
4663:2021-11-10
4638:2023-04-17
4586:2024-05-28
4501:2015-10-25
4453:2015-10-25
4409:2009-09-27
4365:2013-08-13
4340:2012-08-29
4315:2017-10-07
4286:2017-10-07
4278:. Oracle.
4245:2021-07-06
4104:1 February
4006:2018-01-15
3971:2022-10-05
3945:2021-10-20
3868:2016-06-29
3824:2021-01-21
3610:2017-10-19
3521:2017-07-15
3492:2020-03-07
3463:2020-03-07
3431:2017-10-19
3373:ISO/TC 154
3354:2014-08-16
3043:Lithuania
2853:Australia
2819:common era
2385:, whereas
2383:2007-11-15
2379:2007-11-13
2042:MINUS SIGN
2002:UTC offset
1976:for other
1831:UTC offset
1820:civil time
1808:UTC offset
1736:Time zones
1490:Thhmm.mmm
1482:Thh:mm.mmm
1435:Julian day
1427:"1981-095"
1419:leap years
1374:Examples:
1296:YYYY-Www-D
1270:Week dates
1261:Examples:
1119:YYYY-MM-DD
768:plain text
549:UTC offset
485:2024-W38‐5
418:2024-09-20
294:Naturalism
231:Kalachakra
160:Eternalism
155:Presentism
147:Philosophy
133:Futurology
108:Chronology
7313:15926 WIP
6677:9592/9593
6602:9000/9001
6490:8805/8806
5506:Fortnight
5353:Lunisolar
5343:Leap year
5277:Gregorian
5227:stopwatch
5202:Hourglass
5182:Astrarium
5099:Spacetime
5030:Time zone
4907:Metrology
4886:standards
4172:Standard.
3695:precision
3155:Thailand
3150:CNS 7648
3099:Portugal
2893:Colombia
2815:standards
2745:iCalendar
2716:Uncertain
2486:85-10-26
2360:filenames
2256:full stop
2115:Durations
1824:time zone
1701:precision
1654:or T: in
1469:Thh:mm:ss
1304:YYYYWwwD
1256:"--04-05"
1232:"1981-04"
1128:YYYYMMDD
1091:or after
787:precision
533:Gregorian
531:, in the
466:UTC+12:00
460:UTC+00:00
454:UTC−12:00
429:04:49:42Z
362:Spacetime
315:Evolution
310:Cosmogony
253:Standards
221:Afterlife
191:Mythology
123:Metrology
7938:Category
5663:List of
5567:Duration
5541:Saeculum
5521:Olympiad
5363:Solstice
5292:Holocene
5269:Calendar
5169:Horology
4960:ISO 8601
4955:ISO 31-1
4775:from ISO
4769:from ISO
4714:Archived
4657:Archived
4616:29 March
4610:Archived
4382:Archived
4359:Archived
4334:Archived
4309:Archived
4280:Archived
4236:Archived
4142:Archived
4098:Archived
4094:43315042
3997:Archived
3965:Archived
3939:Archived
3862:Archived
3818:Archived
3691:accuracy
3660:Archived
3632:Archived
3604:Archived
3486:Archived
3457:Archived
3425:Archived
3348:Archived
3237:Horology
3216:See also
3204:Vietnam
3180:Ukraine
3011:Ireland
2993:Iceland
2985:Hungary
2969:Germany
2953:Finland
2935:Estonia
2927:Denmark
2901:Archived
2869:Belgium
2861:Austria
2792:Commerce
2758:Internet
2534:--10-26
2483:YY-MM-DD
2039:−
1891:Honolulu
1839:New York
1771:, add a
1668:midnight
1554:hhmmss*
1546:hh:mm:ss
1477:Thhmmss
1401:YYYYDDD
1393:YYYY-DDD
1291:YYYYWww
1283:YYYY-Www
1155:YY-MM-DD
1142:YYYYMM)
652:(EDTF).
633:TC 154.
611:ISO 4031
607:ISO 3307
603:ISO 2711
599:ISO 2015
595:ISO 2014
502:ISO 8601
477:2024-W38
431:T044942Z
423:Time in
264:ISO 8601
206:End time
201:Creation
187:Religion
170:Fatalism
118:Horology
76:Eternity
18:RFC 3339
7839:29199-2
7711:23094-2
7706:23094-1
7696:23090-3
7565:19794-5
7560:19775-1
7348:16612-2
7338:16355-1
7027:13406-2
6985:12234-2
6753:10118-3
5536:Century
5526:Lustrum
5456:Instant
5328:Equinox
5297:Islamic
5239:Sundial
5104:Chronon
4806:at the
4136:(pdf).
3929:TechNet
3147:Taiwan
3131:Sweden
3107:Russia
3091:Poland
3083:Norway
3059:Mexico
2977:Greece
2961:France
2885:Canada
2877:Brazil
2756:On the
2655:-34:56
2624:-W43-6
2607:-5-W43
2576:85-299
2531:--MM-DD
2503:-85-10
2054:−
2046:Unicode
2011:−
1901:Chicago
1872:", or "
1508:Thh.hhh
1415:ordinal
1248:YYYY-MM
1240:century
1219:in the
1194:--MMDD
1185:--MM-DD
1164:YYMMDD
1140:but not
1134:YYYY-MM
585:History
561:in the
290:Science
113:History
64:Present
7853:30000+
6692:9797-1
6500:8820-5
6445:8501-1
6001:1073-2
5996:1073-1
5680:1–9999
5531:Decade
5486:Moment
5481:Minute
5476:Second
5446:Other
5303:Julian
5282:Hebrew
4928:offset
4204:
4092:
4035:
3717:
3693:, not
3666:11 May
3626:ISO: "
3164:Turkey
3123:Spain
3027:Japan
3019:Italy
2911:China
2760:, the
2652:-mm:ss
2621:-Www-D
2604:-Y-Www
2573:YY-DDD
2559:---26
2528:--1026
2525:--MMDD
2500:-YY-MM
2480:851026
2477:YYMMDD
2428:, use
2276:moduli
2268:P--T::
2184:period
2171:, and
2036:
2034:U+2212
1993:±
1965:" for
1963:+09:00
1955:" for
1953:+05:30
1945:" for
1943:+04:00
1933:London
1931:" for
1929:+01:00
1923:Brazil
1921:" for
1909:Denver
1899:" for
1889:" for
1866:+00:00
1858:London
1625:second
1618:minute
1567:hhmm*
1503:Thhmm
1495:Thh:mm
1413:is an
1236:decade
1179:-YYMM
1170:-YY-MM
1101:CE/BCE
772:hyphen
746:sorted
640:order
609:, and
504:is an
352:Motion
269:Metric
69:Future
7920:80000
7915:56000
7910:55000
7905:50001
7900:45001
7895:42010
7890:40500
7885:39075
7880:38500
7875:37001
7870:32000
7865:31000
7860:30170
7844:29500
7834:29148
7830:29110
7826:28000
7821:27729
7816:27006
7811:27005
7806:27002
7801:27001
7796:27000
7786:26324
7781:26300
7776:26262
7771:26000
7766:25964
7761:25178
7756:24728
7751:24707
7746:24617
7741:24613
7736:24517
7731:23941
7726:23360
7721:23271
7716:23270
7701:23092
7691:23009
7686:23008
7681:23003
7676:23000
7671:22537
7666:22395
7661:22301
7656:22300
7651:22275
7646:22000
7641:21827
7636:21500
7631:21122
7626:21047
7621:21001
7616:21000
7611:20830
7606:20802
7601:20400
7596:20121
7591:20022
7586:20000
7570:19831
7555:19770
7550:19757
7545:19752
7540:19600
7535:19510
7530:19509
7525:19508
7520:19507
7515:19506
7510:19505
7505:19503
7500:19502
7495:19501
7490:19500
7485:19439
7480:19407
7475:19136
7470:19125
7465:19115
7460:19114
7443:19092
7438:19011
7433:19005
7428:18916
7423:18629
7418:18245
7413:18181
7408:18014
7403:18004
7398:17799
7393:17506
7388:17442
7383:17369
7378:17203
7373:17100
7368:17025
7363:17024
7353:16750
7343:16485
7333:16262
7328:16023
7323:15938
7318:15930
7308:15926
7303:15924
7298:15919
7293:15897
7288:15707
7276:15706
7271:15693
7266:15686
7261:15511
7256:15504
7251:15438
7246:15445
7229:15444
7224:15408
7219:15398
7214:15291
7209:15288
7204:15189
7199:15022
7194:14971
7189:14882
7184:14764
7179:14698
7174:14651
7169:14649
7164:14644
7159:14617
7107:14496
7102:14443
7097:14396
7092:14289
7087:14224
7082:14031
7077:14000
7072:13818
7067:13816
7062:13616
7057:13584
7052:13568
7047:13567
7042:13490
7037:13485
7032:13450
7022:13399
7017:13250
7012:13216
6995:13211
6990:12620
6980:12207
6975:12182
6970:12052
6965:12006
6960:11992
6950:11941
6940:11940
6935:11898
6930:11889
6925:11801
6920:11785
6915:11784
6910:11783
6905:11544
6900:11404
6895:11179
6890:11172
6885:11170
6880:11073
6875:10967
6870:10962
6865:10957
6860:10861
6855:10746
6850:10664
6845:10646
6840:10628
6835:10589
6830:10585
6825:10383
6793:10303
6788:10279
6783:10218
6778:10206
6773:10179
6768:10165
6763:10161
6758:10160
6748:10116
6743:10007
6738:10006
5572:music
5511:Month
5471:Jiffy
5466:Shake
5461:Flick
5358:Solar
5348:Lunar
5323:Epact
5287:Hindu
5222:Watch
5177:Clock
4682:(PDF)
4239:(PDF)
4228:(PDF)
4145:(PDF)
4134:(PDF)
4000:(PDF)
3989:(PDF)
3582:(PDF)
3569:(PDF)
3552:(PDF)
3539:(PDF)
3403:(PDF)
3390:(PDF)
3002:India
2827:email
2782:X.690
2752:Usage
2680:-34,9
2677:-mm,m
2649:-3456
2646:-mmss
2618:-W436
2615:-WwwD
2601:-5W43
2598:-YWww
2570:85299
2567:YYDDD
2556:---DD
2497:-8510
2494:-YYMM
2254:or a
2252:comma
2025:ASCII
1967:Japan
1957:India
1947:Dubai
1907:, or
1870:+0000
1851:Cairo
1693:comma
1683:or a
1681:comma
1650:T in
1584:Times
1559:hh:mm
1449:Times
1207:---DD
1105:+0000
1097:AD/BC
1058:YYYY
1049:YYYY
1042:Years
1025:Paris
811:Week
801:Dates
776:colon
541:times
529:dates
357:Space
165:Event
6818:-238
6722:9995
6717:9985
6712:9984
6707:9945
6702:9899
6697:9897
6687:9660
6682:9594
6672:9564
6667:9529
6662:9506
6657:9496
6652:9407
6647:9362
6642:9314
6637:9293
6632:9241
6627:9227
6622:9141
6617:9126
6612:9075
6607:9036
6597:8879
6550:-8-I
6505:8859
6495:8807
6485:8691
6480:8652
6475:8651
6470:8632
6465:8613
6460:8601
6455:8583
6450:8571
6440:8373
6435:8217
6430:8178
6425:8093
6420:8000
6415:7942
6410:7816
6405:7813
6400:7812
6395:7811
6390:7810
6385:7736
6380:7637
6368:7498
6363:7200
6358:7185
6353:7098
6348:7064
6343:7027
6338:7010
6333:7002
6328:7001
6323:6943
6318:6709
6313:6523
6308:6438
6303:6429
6298:6425
6293:6385
6288:6373
6283:6346
6278:6344
6273:6166
6268:5964
6263:5807
6258:5800
6253:5776
6248:5775
6243:5725
6238:5428
6233:5427
6228:5426
6223:5218
6218:4909
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