Fall 2024 Start Date And Time. In 2024, this happens on september 22, at 12:44 gmt (08:44 a.m. First day of fall in 2024 is on sunday, the 22nd of september (22/9/2024).
Here’s what to know about the start of fall: Winter begins with the winter solstice, monday, december 21, 2026, 3:50 p.m.