When Is The Autumnal Equinox 2024. This year, autumnal equinox is occurring on the below date and timing: The dates for equinoxes and solstices in the northern and southern hemispheres are the same, but in.
In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall. Equinoxes and solstices are two of the most important celestial events on earth.