Summer Solstice 20254 2025 Date. It also lists astronomical sunrise and sunset timings on summer solstice day. In 2025, the summer solstice in the northern hemisphere will occur on june 20, 2025, at 10:42 pm edt (or 2:42 am utc on june 21).

At the june solstice, the sun reaches its northernmost point. The summer solstice marks the first day of summer.