Fall Equinox 2025 Time Est. What time is the fall equinox 2025? The exact time of the fall equinox changes.

The autumnal equinox for the northern hemisphere and the first day of fall begin on the same day, at 8:44 a.m. Autumn 2025 starts on sunday, 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.