Fall Equinox Day 2025 Usa

Fall Equinox Day 2025 Usa. New york city the exact moment of the autumnal equinox in 2025 is 22. Autumnal equinox — is an astronomical phenomenon, when the sun in its visible motion along the ecliptic crosses the celestial equator.

In other words, on the day of the autumnal equinox, the day is almost equal to night, while the duration of daylight hours decreases with each. Autumn 2025 starts on monday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the changing tilt of the earth’s axis.