Semmyō calendar

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Semmyō calendar (宣明暦 Semmyō-reki?), also known as Semmei-reki or Xuanming li, was a Japanese lunisolar calendar (genka reki).[1] It was used from the late-9th century to the late-17th century.[2]

History[change | change source]

The Semmyō-reki or Semmei-reki system corrected errors in earlier calendars which were developed in China.[3] It was the work of Shibukawa Shunkai and Shikokawa Kōkyō.[4]

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.[5]

Related pages[change | change source]

References[change | change source]

Other websites[change | change source]