Summer Equinox 2025 Uk 2025. London the exact moment of the summer solstice in 2025 is 20 june, at 21:50:20. In the northern hemisphere (where the uk is) it happens on thursday 20 june.

The autumnal equinox occurs in september, and in the northern hemisphere this date marks the end of summer and beginning of autumn. Get a list of solstice and equinox dates for the current and coming years, precise date and time for the uk and around the world.