was a Japanese
lunisolar calendar
A lunisolar calendar is a calendar in many cultures, that combines monthly lunar cycles with the solar year. As with all calendars which divide the year into months, there is an additional requirement that the year have a whole number of mont ...
(''genka reki'').
[ Nussbaum, Louis-Frédéric. (2005)]
"Calendar"
in ''Japan Encyclopedia'', p. 98. It was published in 1797.
[Nussbaum]
"''Kansei-reki''"
at p. 478; Orchiston, Wayne ''et al.'' (2011)
''Highlighting the History of Astronomy in the Asia-Pacific Region,'' p. 155
History
The ''Kansei-reki'' system was the work of
Takahashi Yoshitoki
was an astronomer in mid-Edo period Japan, noted for his work in calendar reform, and as the teacher of the surveyor Inō Tadataka.
Biography
Takahashi was born as the son of a lower-ranking samurai in the guard of Osaka Castle, and followed hi ...
[Nussbaum]
"Takahashi Yoshitoki"
at p. 933. and
Hazama Shigetomi.
[Orchiston]
''Highlighting the History of Astronomy in the Asia-Pacific Region,'' p. 155
Takahashi and Hazama used Western astronomy studies to modify the traditional calendar.
See also
*
Japanese calendar
Japanese calendar types have included a range of official and unofficial systems. At present, Japan uses the Gregorian calendar together with year designations stating the Japanese era name, year of the reign of the current Emperor. The written f ...
*
Sexagenary cycle
The sexagenary cycle, also known as the gānzhī (干支) or stems-and-branches, is a cycle of sixty terms, each corresponding to one year, thus amounting to a total of sixty years every cycle, historically used for recording time in China and t ...
*
Kansei
was a after '' Tenmei'' and before '' Kyōwa''. This period spanned the years from January 1789 through February 1801. The reigning emperor was .
Change of era
* 1789 : The new era name of '' Kansei'' (meaning "Tolerant Government" or "Broad- ...
References
External links
*
National Diet Library
The is the national library of Japan and among the largest libraries in the world. It was established in 1948 for the purpose of assisting members of the in researching matters of public policy. The library is similar in purpose and scope to ...
"The Japanese Calendar"
{{DEFAULTSORT:Kansei calendar
Specific calendars
History of science and technology in Japan
Time in Japan
1798 establishments in Japan
1844 disestablishments