Summer Solstice 2024 Events Usa. 11 divinity avenue, cambridge, ma. It is the longest day of the year that marks the arrival of the.

The summer solstice — the exact moment when earth’s north pole is most tilted towards the sun — happens at 4:51 p.m. At this moment, the sun reaches its highest and northernmost points in the sky, and earth’s north pole tilts directly toward the sun.