How Many Days Until Summer 2025 Vacation Time. 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 its furthest tilt and begins to change. We will announce details on plans for managing visitor access in summer 2025 by the end of the year.
Countdown, online timer for how many days are left until the summer 2025. If you’ve scheduled a summer vacation for july 2025, this tool helps you see exactly how many days remain until you can start your break.