What Time Is The First Day Of Summer 2025. The summer solstice is the time when the sun reaches its highest and northernmost points in the sky, according to the farmer's almanac, marking the first day of. The true solstice will arrive in the northern hemisphere at exactly 4:51 p.m.

The true solstice will arrive in the northern hemisphere at exactly 4:51 p.m. This year’s summer solstice is thursday, june 20, 2025 at 1:50 p.m.