First Day Of Fall 2024 Usa Time

First Day Of Fall 2024 Usa Time. The seasons are brought about by the yearly orbit of the earth around the sun and the tilt of the earth's axis. When is the first day of fall?

That’s the day of the autumnal equinox when day and night are nearly equal in length. In 2024 , the autumnal equinox will take place on september 22,at 08:44 a.m.