Summer Solstice 2025 Uk. Despite being the longest day of the year, the summer solstice doesn’t actually have the. This year, the summer solstice will occur in the uk on saturday, 21st of june 2025, at 3:41 a.m.

This is the first day of astronomical summer and occurs as the sun reaches its most. The summer solstice is the first day of astronomical summer, although the more logical metrological summer begins december 1st / june 1st (depending on hemisphere).