Autumnal Equinox 2024 Time. In the northern hemisphere, the autumnal equinox takes place on september 22, 2024, at 12:44 gmt (08:44 a.m. The autumn or fall equinox signals the end of summer on the astronomical calendar.
The 2024 fall equinox—also called the autumn equinox—takes place on sunday, september 22, 2024. The autumnal equinox in the northern hemisphere falls on sunday, sept.