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September Equinox 2025

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

Monday, September 22, 2025

18:19 UTC

Declination 0.00°

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

See it on the figureAbout September Equinox, and every year

Around the world

UTCMon, Sep 2218:19UTC
HonoluluMon, Sep 228:19 AMUTC−10
Los AngelesMon, Sep 2211:19 AMUTC−7
DenverMon, Sep 2212:19 PMUTC−6
ChicagoMon, Sep 221:19 PMUTC−5
New YorkMon, Sep 222:19 PMUTC−4
São PauloMon, Sep 223:19 PMUTC−3
LondonMon, Sep 227:19 PMUTC+1
Paris, BerlinMon, Sep 228:19 PMUTC+2
CairoMon, Sep 229:19 PMUTC+3
MoscowMon, Sep 229:19 PMUTC+3
DubaiMon, Sep 2210:19 PMUTC+4
IndiaMon, Sep 2211:49 PMUTC+5:30
BangkokTue, Sep 231:19 AMUTC+7
Beijing, SingaporeTue, Sep 232:19 AMUTC+8
TokyoTue, Sep 233:19 AMUTC+9
SydneyTue, Sep 234:19 AMUTC+10
AucklandTue, Sep 236:19 AMUTC+12

September Equinox in other years