First Day Of Fall 2024 Countdown 2021. What a nice date for this year! Here’s a comprehensive guide on everything you need to know about the autumnal equinox, the first day of fall and when it occurs across the country.

Find out the date, how long in days until and count down to till autumn (or fall) with a countdown clock. Here’s the day it falls on in 2024 and what it actually means.