Summer Solstice 2025 Europe Dates. The summer solstice is the first day of astronomical summer, although the more logical metrological summer begins december 1st / june 1st (depending on hemisphere). In 2025 the june solstice in.

This is the first day of astronomical summer and occurs as. 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).