How Many Days Until First Day Of Fall 2024 Usa. Twice a year, around march 20 or 21 and sept. From the science behind the autumnal equinox to the cultural traditions.
A frost date is the average date of the last light freeze in spring or the. The first day of fall in 2024 arrives with the fall equinox on sunday, september 22, 2024, at 8:44 a.m.