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88:. It was not uncommon for emperors to introduce new calendars in order to place greater emphasis on heavenly bodies that were seen as particularly astrologically relevant to the particular ruler, but this reform was of such a scale that it was called the "Grand Inception" (太ĺ) in contemporary documents. The calendar made by Hong and his associate Deng Ping was accepted over that of other contestants, including several imperial astronomers. It included 12 months of 29 or 30 days, with an additional month in seven out of 19 years. It also included precise calculations for the movement of the sun, moon, planets, and the time of eclipses, which Hong was able to predict using an equatorial
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lunisolar calendar went into effect in 104 BCE, and remained substantially unchanged for nearly 2,000 years. Emperor Wu offered Hong an official position at court, but Hong declined and returned to solitary life.
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History of Science, Technology, and Medicine in Non-Western Cultures
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Astronomy and
Mathematics in Ancient China: The Zhou Bi Suan Jing
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which he significantly improved, or possibly even invented. The
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223:(2 ed.). Berlin: Springer Netherland. pp. 1243â1244.
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Alchemists, Mediums, and
Magicians: Stories of Taoist Mystics
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112:Chinese armillary spheres
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464:Trung sisters' rebellion
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743:Ancient Chinese coinage
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261:"Luoxia Hong biography"
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449:Han conquest of Nanyue
149:Shambhala Publications
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581:Flying Horse of Gansu
568:Book of the Later Han
755:Sino-Roman relations
598:Mawangdui Silk Texts
514:Battle of Red Cliffs
454:Han conquest of Dian
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535:Society and culture
440:Southward expansion
401:LĂź Clan disturbance
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561:Book of Han
475:Xin dynasty
374:Han dynasty
321:Early China
270:31 December
62:Luoxia Hong
34:Nationality
23:Luoxia Hong
931:Categories
828:Zhang Heng
823:Wang Chong
644:Government
622:Han poetry
128:References
122:Zhang Heng
86:Emperor Wu
55:c. 100 BCE
46:Astronomer
42:Occupation
803:Liu Xiang
783:Ding Huan
750:Silk Road
617:Old Texts
587:Huainanzi
548:Sima Qian
327:: 31â46.
304:1 January
180:Sima Qian
164:1 January
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656:Ban Chao
648:military
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489:Chengjia
101:See also
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773:Cai Lun
738:Coinage
730:Economy
666:Emperor
661:Ma Yuan
383:History
198:Sichuan
94:Tai Chu
66:Chinese
37:Chinese
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788:Du Shi
543:Ban Gu
376:topics
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204:p. 63.
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117:Yu Xi
82:Xi'an
80:(now
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194:Qin
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