When Does Fall Start 2024. There are technically two days that you could consider as the start of the fall season. When is the first day of fall 2024?

I f you are in the eastern time zone, then fall officially begins at 8:43 a.m., local time. The first day of fall in 2024 arrives with the fall equinox on sunday, september 22, 2024, at 8:44 a.m.