Summer Solstice 2024 Dates Uk. In 2024, these are the astronomical dates and times for the start of each season: In the uk, this will occur at 9:50pm (bst).

In the northern hemisphere (where the uk is) it happens on thursday 20 june. 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 the 21.