Last Day Of Summer 2024 Date. The dates and deadlines below apply to academic full term and intersession courses. The seasons are brought about by.

Although some consider summer’s end to be labor day or when the kids go back to school, the official last day of summer for 2024 is september 22. Solstice—the longest day of the year in the northern hemisphere and the shortest in the southern hemisphere—will occur on thursday, june 20, at 20:50 universal time (4:50 p.m.