Summer Solstice 2025 Date And Time

Summer Solstice 2025 Date And 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. At the june solstice, the sun reaches its northernmost point.

In the southern hemisphere, it’s around december 21. When is summer solstice 2025.