September equinox
—hype
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Schedule updated. Previously Friday, 22 September 2028.
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About this moment
There are 734 days until September equinox, on Friday, 22 September 2028.
Sun over the equator again. Harvest in the north.
The September equinox is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur from September 21 to 24.
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Last verified Sep 14, 2026
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