What Day Is The Fall Equinox 2024 Date. The word equinox is latin for equal night, and its the date when, in most places on earth, the daylight lasts just about as long as the nighttime. In the southern hemisphere the equinox occurs on march 20 or 21, when the sun moves north across the celestial equator.
The first day of fall in 2024 arrives with the fall equinox on sunday, september 22, 2024, at 8:44 a.m. In the southern hemisphere the equinox occurs on march 20 or 21, when the sun moves north across the celestial equator.