When Is Summer 2024 Start And End. Starts on tuesday, march 19 at 11:06 pm, and ends on june 20 at 4:51 pm. The first events at the paris olympics start up on wednesday, july 24.

Summer begins with the solstice on thursday, june 20, 2024, marking the astronomical first day of summer in the northern hemisphere. This year the summer will start on thursday june 20, 2024 (day of the summer solstice) and will end on sunday september 22, 2024 with the autumnal equinox.