AstronomyTentative

September equinox

4753days

—hype

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    About this moment

    There are 4,754 days until September equinox, on Thursday, 22 September 2039.

    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.

    Summary from Wikipedia (CC BY-SA 4.0)

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    Last verified Sep 14, 2026

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