September Equinox

The autumn (fall) equinox in the Northern Hemisphere and the spring equinox in the Southern.

The Sun crosses the celestial equator, heading south. Day and night are nearly equal everywhere.

The name

The standard astronomical name.

Precision

A sharp moment: the time is meaningful to the minute.

Next: Thu, Sep 23, 2027, 06:02 UTC

See it on the figure Add it to your calendar

Every year

Between 1900 and 2100 it comes as early as September 21 at 22:57 UTC (2096) and as late as September 24 at 05:44 UTC (1903).Dates wobble through each four-year leap cycle and creep earlier across a century, until a skipped leap day, as in 1900 and 2100, sets them back.

Year	Date	UTC
1900	Sun, Sep 23	12:20
1901	Mon, Sep 23	18:09
1902	Tue, Sep 23	23:55
1903	Thu, Sep 24	05:44
1904	Fri, Sep 23	11:40
1905	Sat, Sep 23	17:30
1906	Sun, Sep 23	23:15
1907	Tue, Sep 24	05:09
1908	Wed, Sep 23	10:58
1909	Thu, Sep 23	16:44
1910	Fri, Sep 23	22:31
1911	Sun, Sep 24	04:18
1912	Mon, Sep 23	10:08
1913	Tue, Sep 23	15:53
1914	Wed, Sep 23	21:34
1915	Fri, Sep 24	03:24
1916	Sat, Sep 23	09:15
1917	Sun, Sep 23	15:00
1918	Mon, Sep 23	20:46
1919	Wed, Sep 24	02:35
1920	Thu, Sep 23	08:28
1921	Fri, Sep 23	14:20
1922	Sat, Sep 23	20:10
1923	Mon, Sep 24	02:04
1924	Tue, Sep 23	07:58
1925	Wed, Sep 23	13:43
1926	Thu, Sep 23	19:27
1927	Sat, Sep 24	01:17
1928	Sun, Sep 23	07:05
1929	Mon, Sep 23	12:52
1930	Tue, Sep 23	18:36
1931	Thu, Sep 24	00:23
1932	Fri, Sep 23	06:16
1933	Sat, Sep 23	12:01
1934	Sun, Sep 23	17:45
1935	Mon, Sep 23	23:38
1936	Wed, Sep 23	05:26
1937	Thu, Sep 23	11:13
1938	Fri, Sep 23	16:59
1939	Sat, Sep 23	22:49
1940	Mon, Sep 23	04:46
1941	Tue, Sep 23	10:33
1942	Wed, Sep 23	16:16
1943	Thu, Sep 23	22:12
1944	Sat, Sep 23	04:02
1945	Sun, Sep 23	09:50
1946	Mon, Sep 23	15:41
1947	Tue, Sep 23	21:29
1948	Thu, Sep 23	03:22
1949	Fri, Sep 23	09:06
1950	Sat, Sep 23	14:44
1951	Sun, Sep 23	20:37
1952	Tue, Sep 23	02:24
1953	Wed, Sep 23	08:06
1954	Thu, Sep 23	13:55
1955	Fri, Sep 23	19:41
1956	Sun, Sep 23	01:35
1957	Mon, Sep 23	07:26
1958	Tue, Sep 23	13:09
1959	Wed, Sep 23	19:08
1960	Fri, Sep 23	00:59
1961	Sat, Sep 23	06:42
1962	Sun, Sep 23	12:35
1963	Mon, Sep 23	18:23
1964	Wed, Sep 23	00:17
1965	Thu, Sep 23	06:06
1966	Fri, Sep 23	11:43
1967	Sat, Sep 23	17:38
1968	Sun, Sep 22	23:26
1969	Tue, Sep 23	05:07
1970	Wed, Sep 23	10:59
1971	Thu, Sep 23	16:45
1972	Fri, Sep 22	22:33
1973	Sun, Sep 23	04:21
1974	Mon, Sep 23	09:58
1975	Tue, Sep 23	15:55
1976	Wed, Sep 22	21:48
1977	Fri, Sep 23	03:29
1978	Sat, Sep 23	09:25
1979	Sun, Sep 23	15:16
1980	Mon, Sep 22	21:09
1981	Wed, Sep 23	03:05
1982	Thu, Sep 23	08:46
1983	Fri, Sep 23	14:42
1984	Sat, Sep 22	20:33
1985	Mon, Sep 23	02:07
1986	Tue, Sep 23	07:59
1987	Wed, Sep 23	13:45
1988	Thu, Sep 22	19:29
1989	Sat, Sep 23	01:20
1990	Sun, Sep 23	06:56
1991	Mon, Sep 23	12:48
1992	Tue, Sep 22	18:43
1993	Thu, Sep 23	00:22
1994	Fri, Sep 23	06:19
1995	Sat, Sep 23	12:13
1996	Sun, Sep 22	18:00
1997	Mon, Sep 22	23:56
1998	Wed, Sep 23	05:37
1999	Thu, Sep 23	11:32
2000	Fri, Sep 22	17:28
2001	Sat, Sep 22	23:04
2002	Mon, Sep 23	04:55
2003	Tue, Sep 23	10:47
2004	Wed, Sep 22	16:30
2005	Thu, Sep 22	22:23
2006	Sat, Sep 23	04:03
2007	Sun, Sep 23	09:51
2008	Mon, Sep 22	15:44
2009	Tue, Sep 22	21:19
2010	Thu, Sep 23	03:09
2011	Fri, Sep 23	09:05
2012	Sat, Sep 22	14:49
2013	Sun, Sep 22	20:44
2014	Tue, Sep 23	02:29
2015	Wed, Sep 23	08:21
2016	Thu, Sep 22	14:21
2017	Fri, Sep 22	20:02
2018	Sun, Sep 23	01:54
2019	Mon, Sep 23	07:50
2020	Tue, Sep 22	13:31
2021	Wed, Sep 22	19:21
2022	Fri, Sep 23	01:04
2023	Sat, Sep 23	06:50
2024	Sun, Sep 22	12:44
2025	Mon, Sep 22	18:19
2026	Wed, Sep 23	00:05
2027	Thu, Sep 23	06:02
2028	Fri, Sep 22	11:45
2029	Sat, Sep 22	17:39
2030	Sun, Sep 22	23:27
2031	Tue, Sep 23	05:15
2032	Wed, Sep 22	11:11
2033	Thu, Sep 22	16:52
2034	Fri, Sep 22	22:40
2035	Sun, Sep 23	04:39
2036	Mon, Sep 22	10:23
2037	Tue, Sep 22	16:13
2038	Wed, Sep 22	22:02
2039	Fri, Sep 23	03:50
2040	Sat, Sep 22	09:45
2041	Sun, Sep 22	15:27
2042	Mon, Sep 22	21:12
2043	Wed, Sep 23	03:07
2044	Thu, Sep 22	08:48
2045	Fri, Sep 22	14:33
2046	Sat, Sep 22	20:22
2047	Mon, Sep 23	02:08
2048	Tue, Sep 22	08:01
2049	Wed, Sep 22	13:43
2050	Thu, Sep 22	19:29
2051	Sat, Sep 23	01:28
2052	Sun, Sep 22	07:16
2053	Mon, Sep 22	13:07
2054	Tue, Sep 22	19:00
2055	Thu, Sep 23	00:49
2056	Fri, Sep 22	06:40
2057	Sat, Sep 22	12:24
2058	Sun, Sep 22	18:09
2059	Tue, Sep 23	00:04
2060	Wed, Sep 22	05:49
2061	Thu, Sep 22	11:32
2062	Fri, Sep 22	17:20
2063	Sat, Sep 22	23:09
2064	Mon, Sep 22	04:58
2065	Tue, Sep 22	10:43
2066	Wed, Sep 22	16:28
2067	Thu, Sep 22	22:20
2068	Sat, Sep 22	04:08
2069	Sun, Sep 22	09:53
2070	Mon, Sep 22	15:46
2071	Tue, Sep 22	21:39
2072	Thu, Sep 22	03:29
2073	Fri, Sep 22	09:16
2074	Sat, Sep 22	15:05
2075	Sun, Sep 22	21:00
2076	Tue, Sep 22	02:51
2077	Wed, Sep 22	08:37
2078	Thu, Sep 22	14:26
2079	Fri, Sep 22	20:14
2080	Sun, Sep 22	01:58
2081	Mon, Sep 22	07:39
2082	Tue, Sep 22	13:24
2083	Wed, Sep 22	19:13
2084	Fri, Sep 22	01:00
2085	Sat, Sep 22	06:45
2086	Sun, Sep 22	12:34
2087	Mon, Sep 22	18:30
2088	Wed, Sep 22	00:20
2089	Thu, Sep 22	06:09
2090	Fri, Sep 22	12:01
2091	Sat, Sep 22	17:53
2092	Sun, Sep 21	23:44
2093	Tue, Sep 22	05:31
2094	Wed, Sep 22	11:18
2095	Thu, Sep 22	17:13
2096	Fri, Sep 21	22:57
2097	Sun, Sep 22	04:38
2098	Mon, Sep 22	10:26
2099	Tue, Sep 22	16:13
2100	Wed, Sep 22	22:02