Official First Day Of Summer 2025. Applicants who plan to enroll full time in a degree program and who wish to be. Fall begins with the autumnal equinox, monday, september 22, 2025, 2:19 p.m.

For daily wit & wisdom, sign up for the almanac newsletter. The summer solstice is actually the same thing as the first day of summer, so you can expect it, too, to take place on thursday,.