Fall Equinox 2024 History And Background. The september equinox on september 22, 2024, marks a pivotal moment in the earth’s celestial calendar. Happy daughters day, friends pilot episode broadcast and significance of this day.

Cdt) on september 22, 2024. September 22 is the autumnal equinox for 2024, marking the earliest start to the fall season for the northern hemisphere since 1796.