2025 Summer Calendar Dates Calendar

2025 Summer Calendar Dates Calendar. Hover over or press a calendar date to find the number of days from one date to another. 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.

The summer period spans the following 4 months: Year 2025 calendar with week numbers and us holidays.