Summer Solstice 2024 Time. The summer solstice for the northern hemisphere occurs on june 20, 2024, at 4:51 p.m. Thursday, june 20 is the official first day of northern astronomical summer for 2024 — summer solstice — which is the longest day of the year for this half of the planet.

This point is on the. This year, the solstice will occur on june 20 at 4:51.