Takahashi Yoshitoki

Tomb of Takahashi Yoshitoki

Takahashi Yoshitoki ( Japanese 高橋至時 with the stage name Toko (東岡) and Baiken (梅軒); born 22. December 1764 in Osaka ; died 15. February 1804 ) was a Japanese astronomer.

Live and act

Takahashi Yoshitoki was born in Osaka. In 1795 he was appointed official astronomer by the shogunate. Together with the astronomer Hazama Shigetomi (間 重 富, 1756-1816) developed the Kansei calendar, which was officially introduced in 1789.

Takahashi translated a Dutch version of the “Traité d'astronomie” by the French astronomer Joseph Lalande (1732–1807) under the title “Lalande Calendar, Summary” (ラ ラ ン デ 暦 書 管見, Rarande rekisho kanken), 11 volumes from 1803, 8 of which have been preserved.

Takahashi was helped in the work by his son Kageyasu , who then succeeded him in 1804.

Remarks

1. ↑ In the cemetery of the temple Genkū-ji (源 空 寺) in Tōkyō, where his son is also buried.
2. ↑ The Kansei calendar (寛 政 暦 法, Kansei rekihō), 7 volumes, named after the Kansei reign (寛 政; 1789-1801), in which it was published, dealt with the calculation of the new moon, i.e. the beginning of the month in the lunar solar -Calendar.

literature

• S. Noma (Ed.): Takahashi Yoshitoki . In: Japan. An Illustrated Encyclopedia. Kodansha, 1993. ISBN 4-06-205938-X , p. 1507.

Web links

• Biographies of Takahashi Yoshitoki in the Kotobank, Japanese

Japanese name: As is common in Japan, the family name comes before the first name in this article . Thus Takahashi is the family name, Yoshitoki the first name.