First Day Of Fall 2024 Date And Time. — autumn 2024 starts on sunday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the. Summer begins with the summer solstice, thursday, june 20, 2024, 4:51 p.m.
22, at exactly 8:43 a.m. — date and time of the equinox.