When Is The Last Day Of Summer 2024. Seasons divide the year into four distinct periods of time named spring, summer, autumn/fall, and winter. Academic calendar dates are subject to change.

This year the summer will start on thursday june 20, 2024 (day of the summer solstice) and will end on sunday september 22, 2024 with the autumnal equinox. Dates and deadlines listed on this page include full semester and 7.5 week sessions only.