Autumnal Equinox 2024. Edt (12:44 utc), according to the national weather service.  — the 2024 autumnal equinox arrived sunday at 8:43 a.m.

 — the 2024 fall equinox—also called the autumn equinox—takes place on sunday, september 22, 2024.  — when is the 2024 autumn equinox?