Summer Solstice 2024 Uk Time. The summer solstice, which occurs around the 21 june in the northern hemisphere, is the day of the year with the longest period of daylight while the winter solstice, on or around. Usually it's a decent rule of thumb that seasons start on the 21st of the appropriate month, but that's not.
The solstice always occurs between 20 and 22 june, and during a leap year (such as 2024) it always falls on 20 june. The 2024 summer solstice is the earliest since 1796.