Solstice 2024 Summer. 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. It is the longest day of the year that marks the arrival of the.

Below the equator, this is the summer solstice because the south pole is tilted towards the sun as much as possible. The summer solstice happens when the earth’s tilt brings the northern hemisphere closest to the sun,.