Keichitsu (Awakening of insects): dates and times 1951–2050

How often each date occurs

Mar 548

Mar 652

Year	Date	Day	Time (JST)
1951	Mar 6	Tue	18:26
1952	Mar 6	Thu	00:07
1953	Mar 6	Fri	06:02
1954	Mar 6	Sat	11:48
1955	Mar 6	Sun	17:31
1956	Mar 5	Mon	23:24
1957	Mar 6	Wed	05:10
1958	Mar 6	Thu	11:05
1959	Mar 6	Fri	16:56
1960	Mar 5	Sat	22:36
1961	Mar 6	Mon	04:34
1962	Mar 6	Tue	10:29
1963	Mar 6	Wed	16:17
1964	Mar 5	Thu	22:16
1965	Mar 6	Sat	04:01
1966	Mar 6	Sun	09:51
1967	Mar 6	Mon	15:42
1968	Mar 5	Tue	21:18
1969	Mar 6	Thu	03:11
1970	Mar 6	Fri	08:58
1971	Mar 6	Sat	14:35
1972	Mar 5	Sun	20:28
1973	Mar 6	Tue	02:13
1974	Mar 6	Wed	08:07
1975	Mar 6	Thu	14:06
1976	Mar 5	Fri	19:48
1977	Mar 6	Sun	01:44
1978	Mar 6	Mon	07:38
1979	Mar 6	Tue	13:20
1980	Mar 5	Wed	19:16
1981	Mar 6	Fri	01:05
1982	Mar 6	Sat	06:55
1983	Mar 6	Sun	12:47
1984	Mar 5	Mon	18:25
1985	Mar 6	Wed	00:16
1986	Mar 6	Thu	06:12
1987	Mar 6	Fri	11:54
1988	Mar 5	Sat	17:47
1989	Mar 5	Sun	23:34
1990	Mar 6	Tue	05:19
1991	Mar 6	Wed	11:12
1992	Mar 5	Thu	16:52
1993	Mar 5	Fri	22:43
1994	Mar 6	Sun	04:38
1995	Mar 6	Mon	10:16
1996	Mar 5	Tue	16:10
1997	Mar 5	Wed	22:04
1998	Mar 6	Fri	03:57
1999	Mar 6	Sat	09:58
2000	Mar 5	Sun	15:43
2001	Mar 5	Mon	21:32
2002	Mar 6	Wed	03:28
2003	Mar 6	Thu	09:05
2004	Mar 5	Fri	14:56
2005	Mar 5	Sat	20:45
2006	Mar 6	Mon	02:29
2007	Mar 6	Tue	08:18
2008	Mar 5	Wed	13:59
2009	Mar 5	Thu	19:48
2010	Mar 6	Sat	01:46
2011	Mar 6	Sun	07:30
2012	Mar 5	Mon	13:21
2013	Mar 5	Tue	19:15
2014	Mar 6	Thu	01:02
2015	Mar 6	Fri	06:56
2016	Mar 5	Sat	12:44
2017	Mar 5	Sun	18:33
2018	Mar 6	Tue	00:28
2019	Mar 6	Wed	06:10
2020	Mar 5	Thu	11:57
2021	Mar 5	Fri	17:54
2022	Mar 5	Sat	23:44
2023	Mar 6	Mon	05:36
2024	Mar 5	Tue	11:23
2025	Mar 5	Wed	17:07
2026	Mar 5	Thu	22:59
2027	Mar 6	Sat	04:40
2028	Mar 5	Sun	10:25
2029	Mar 5	Mon	16:18
2030	Mar 5	Tue	22:03
2031	Mar 6	Thu	03:51
2032	Mar 5	Fri	09:40
2033	Mar 5	Sat	15:32
2034	Mar 5	Sun	21:32
2035	Mar 6	Tue	03:22
2036	Mar 5	Wed	09:12
2037	Mar 5	Thu	15:06
2038	Mar 5	Fri	20:56
2039	Mar 6	Sun	02:43
2040	Mar 5	Mon	08:31
2041	Mar 5	Tue	14:18
2042	Mar 5	Wed	20:06
2043	Mar 6	Fri	01:48
2044	Mar 5	Sat	07:32
2045	Mar 5	Sun	13:25
2046	Mar 5	Mon	19:18
2047	Mar 6	Wed	01:05
2048	Mar 5	Thu	06:54
2049	Mar 5	Fri	12:43
2050	Mar 5	Sat	18:33

Computed from the JPL DE421 ephemeris with Skyfield, in Japan Standard Time. The lunisolar dates follow the traditional Tenpō rules for reference only (the leap month around 2033 is disputed). Rokuyō and the sexagenary cycle are calendar customs, not predictions.

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Keichitsu (Awakening of insects) (solar longitude 345°): earliest in 2048 (Mar 5 06:54 JST), latest in 1951 (Mar 6 18:26).