Autumn Equinox 2025 Estimated Time

Autumn Equinox 2025 Estimated Time. On the day of the winter (december) solstice, the sun passes through the southernmost point of. It can occur anytime between the 21st and the 24th of september, and this year it will be on the 22nd.

Autumn equinox 2025 (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. It is also called the autumnal equinox, fall equinox.