How Many Days Until 2025 Summer Break. Summer 2025 starts on friday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth's axis having reached. Find out the date, how long in days until and count down to till 15th july 2025 with a countdown clock.

Every school ends at a different time, but usually. For example, it can help you find out how long until summer 2025?