Fall Equinox 2024 Usa. Saturday, dec 21 4:20 am est. Based on the astronomical method of determining the seasons, autumnal equinox marks the beginning of fall.


Fall Equinox 2024 Usa

That’s the day of the autumnal equinox when day and night are nearly equal in length. Autumn equinox 2024 (beginning of astronomical autumn) on the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator, moving from the.

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