Summer Solstice Swim 2024. This year for the first time and to kickstart a weekend of celebrations for the lidos 90th. In 2024, the summer solstice will occur at 4:50 p.m.

Here’s everything you need to know about the northern hemisphere’s. The summer solstice, which is when the sun reaches the most northerly point in the sky, is set to occur tonight at 21:50 bst/22:50 cest.