Autumn Equinox 2024 Time Zone. In the northern hemisphere, the autumnal equinox takes place on september 22, 2024, at 12:44 gmt (08:44 a.m. The earth is tilted on its axis.

The earth is tilted on its axis. I f you are in the eastern time zone, then fall officially begins at 8:43 a.m., local time.