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Hōryaku calendar facts for kids

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Hōryaku calendar published in Japan in 1755. Exhibit in the National Museum of Nature and Science in Tokyo.

Hōryaku calendar (宝暦暦, Hōryaku-reki) was a Japanese lunisolar calendar (genka reki). It was also known as Horiki Kojutsu Gen-reki. It was published in 1755.


The Hōreki Kōjutsu Genreki system was the work of Abe Yasukuni, Shibukawa Kōkyō, and Nishiyama Seikyū.

Errors in the calendar were corrected in 1798, and in 1844 In 1872, the Western calendar was adopted.

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Hōryaku calendar Facts for Kids. Kiddle Encyclopedia.