| 词条 | Jōkyō calendar |
| 释义 |
The {{nihongo|Jōkyō calendar|貞享暦|Jōkyō-reki}} was a Japanese lunisolar calendar, in use from 1684 to 1753.[1] It was officially adopted in 1685.[2] HistoryThe Jōkyō-reki system was developed and explained by Shibukawa Shunkai.[3] He recognized that the length of the solar year is 365.2417 days.[1] Shirakawa discovered errors in the traditional Chinese calendar, the Senmyō calendar, which had been in use for 800 years.[3] See also
References1. ^1 Nussbaum, [https://books.google.com/books?id=p2QnPijAEmEC&pg=PA431&dq= "Jōkyō-reki"] at p. 431; [https://books.google.com/books?id=p2QnPijAEmEC&pg=PA9561&dq= "Teikyō-reki"] at p. 431 2. ^Orchiston, Wayne et al. (2011). [https://books.google.com/books?id=vOUWfhBheDIC&pg=PA155&dq= Highlighting the History of Astronomy in the Asia-Pacific Region, p. 155]. 3. ^1 Nussbaum, [https://books.google.com/books?id=p2QnPijAEmEC&pg=PA850&dq= "Shibukawa Shunkai"] at pp. 850–851. External links
3 : Specific calendars|History of Japan|Time in Japan |
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