What Day Is The Autumnal Equinox 2025

What Day Is The Autumnal Equinox 2025. In 2025, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall. The date varies from year to year due to the gregorian calendar, which defines a year as 365.


What Day Is The Autumnal Equinox 2025

Equal day and night hours around the world. The 2025 fall equinox—also called the autumn equinox—takes place on sunday, september 22, 2025.

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