First Official Day Of Summer 2025

First Official Day Of Summer 2025. The first official day of summer is thursday, june 20, 2025. The true solstice will arrive in the northern hemisphere at exactly.

In the northern hemisphere, the next summer solstice will take place on june 20, 2025. The first day of summer arrives with the solstice this year on thursday, june 20, 2025 at 4:51 p.m.