When Is The Summer Solstice 2024. June summer solstice september fall/autumn equinox december winter solstice; In the northern hemisphere, the 2024 summer solstice will occur on june 20 at 20:51 gmt (4:51 p.m.
The first day of summer arrives with the solstice this year on thursday, june 20, 2024 at 4:51 p.m. Modern astronomical summer begins at the summer solstice (longest day) which is around 21st june and meteorological summer begins on 1st june.