Fall Equinox 2024 December. On that day, the autumnal equinox will occur, marking the beginning of fall. Noaa's goes east satellite captured the moment of autumnal equinox from space on sept 23, 2019.(image credit:

Autumn / fall equinox 2024 the autumn or fall equinox signals the end of summer on the astronomical calendar. Here’s everything you should know about the fall.