Last Day Of Summer 2024 Calendar Usa. June 21 is usually the summer solstice, but it can vary slightly depending on the year and time zone. It’s the longest day of the year and follows father's day and juneteenth, which fall.

Access the university of south alabama’s academic calendar as well as future academic calendars to find key dates and information including holidays, registration dates,. This year, the first day of summer, also known as the summer solstice, is thursday, june 20.