When Was The First Day Of Summer 2024 Usa. Fall begins with the autumnal equinox, sunday, september 22, 2024, 8:44 a.m. Swimmers jack alexy, hunter armstrong, caeleb dressel and chris guiliano rolled to a victory in the men's 4x100m freestyle relay on saturday to capture team usa.

In the northern hemisphere, the next summer solstice will take place on june 20, 2024. Summer begins with the solstice on thursday, june 20, 2024, marking the astronomical first day of summer in the northern hemisphere.