First Day Of Summer 2024 Calendar Date. When is first day of summer in 2024 is thursday, june 20, and it lasts until sunday, september 22, inclusive. First day of classes for first half term fall (first half term) august 20, 2024 last day to add, drop for first half term with no grade* @ 11:59 pm fall (first half term)
First day to apply online to graduate for fall. In the northern hemisphere, the next summer solstice will take place on june 20, 2024.