When Is The First Day Of Autumn 2024 Ukraine. Simon king has the answers. 22 is the first official day of the fall season — and some years (like 2023) the date lands on sept.

In 2024, this happens on september 22, at 12:44 gmt (08:44 a.m. Most people on earth will experience around 12 hours of day and 12 hours of night during september’s.