Semmyō calendar

, also known as Semmei-reki or Xuanming li, was a Japanese lunisolar calendar (genka reki).Nussbaum, Louis-Frédéric. (2005). "Calendar" in Japan Encyclopedia, pp. 98-99.  It was used from the late-9th century to the late-17th century.Nussbaum, "Semmei-reki" at p. 840; Bramsen, William. (1880). Japanese chronological tables, p. 25.

History
The  Semmyō-reki or Semmei-reki system corrected errors in earlier calendars which were developed in China.Needham, Joseph. (1959).  Science and civilisation in China, Mathematics and the sciences of the heavens and the earth, Vol. 3, p. 391 note d.   It was the work of Shibukawa Shunkai and Shikokawa Kōkyō.Nussbaum, "Shibokawa Shunkai" at pp. 850-851.

The earliest record of this calendar is in the 8th month of the 3rd year of Jōgan (861) during the reign of the Emperor Seiwa.Japan, Monbushō. (1876).  An outline history of Japanese education: prepared for the Philadelphia International Exhibition, 1876, p. 160.

Related pages
 Japanese calendar
 Sexagenary cycle
 Genka calendar
 Gihō calendar
 Taien calendar  
 Goki calendar

References


Other websites
 National Diet Library, "The Japanese Calendar"

Category:Calendars