Shibukawa Shunkai, Date of Birth, Place of Birth, Date of Death

Shibukawa Shunkai

Japanese astronomer

Date of Birth: 27-Dec-1639

Place of Birth: Kyōto, Kyōto Prefecture, Japan

Date of Death: 01-Nov-1715

Profession: astronomer, Go player

Nationality: Japan

Zodiac Sign: Capricorn

Shibukawa Shunkai (?? ??, December 27, 1639 – November 1, 1715), also known as Shibukawa Harumi, Yasui Santetsu II ??????, and Motoi Santetsu ?? ??, was a Japanese scholar, go player and the first official astronomer appointed of the Edo period.
He revised the Chinese lunisolar calendar at the shogunate request, drawing up the Jokyo calendar which was issued in 1684 during the Jokyo era.
In 1702, he changed his name to Shibukawa Sukezaemon Shunkai and retired by 1711.
As a go player, he was affiliated with the Yasui house, calling himself initially (after his father) Yasui Santetsu II.
He is mentioned as a Tengen player in Yamashita Keigo 's book: Challenging Tengen.Shibukawa Shunkai (as Yasui Santetsu) is the central character in the 2012 film Tenchi: The Samurai Astronomer by Yojiro Takita.