Taien calendar

The Taien calendar (大衍暦, Taien-reki), also known as Daien or Daiyan or Dayan calendar, was a Japanese lunisolar calendar (genka reki).[1] It was developed in China; and it was used in Japan from about 746 to 857.[2]

History

The calendar was created in China. It was first used in the 17th year of the Kaigen era during the Tang Dynasty.[3]

The Taien-reki system corrected errors in the Genka calendar and Gihō calendar which were used in Japan in the first half of the 8th century. It was the work of Yi Xing, who was a Chinese astronomer.[2]

See also

References
  1. Nussbaum, Louis-Frédéric. (2005). "Calendar" in Japan Encyclopedia, pp. 98-99; Bramsen, William. (1880). Japanese chronological tables, p. 25.
  2. Trimble, Virginia et al. (2007). "Yixing" in Biographical Encyclopedia of Astronomers, pp. 1252-1253, citing Ohashi, Yukio. (1995).“Daien-reki no hokan-hō nit suite.” (On the Interpolation used in the Dayan calendar) Kagakusi Kenkyu (Journal of History of Science), ser. 2, 34, 195: 170–176.
  3. Clement, Ernest W. (1902). "Japanese Calendars," in Transactions of the Asiatic Society of Japan, Vol. 30, pp. 1-82, 73; Japan, Monbushō. (1876). An outline history of Japanese education: prepared for the Philadelphia International Exhibition, 1876, p. 160.

Further reading
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