Autumn Equinox 2025 Date

Autumn Equinox 2025 Date. The first day of spring is marked by the spring equinox, which always happens on march 19, 20 or 21. 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.

This page provides precise equinox and solstice dates for the current year and future years up to 2030. The first day of fall 2025 arrives with the fall equinox on monday, september 22, 2025, 2:19 p.m.