Summer End 2024. In north america, summer officially begins on thursday, june 20. How many days until summer 2024?

Find out the date, how long in days until and count down to till summer 2024 with a countdown clock. 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.