Summer Solstice 2024 Time Uk. When is the summer solstice 2024? According to the royal museums greenwich, “the actual moment of the solstice in 2024 will occur at 9.21am gmt in the uk” ― but most of us take the whole day as solstice.

The summer solstice is the first day of astronomical summer, although the more logical metrological summer begins december 1st / june 1st (depending on hemisphere). If we’re being really, really specific, the exact moment of the solstice will be 21.51pm bst.