First Day Of Summer 2024 Calendar. This year's summer solstice will arrive this thursday on june 20 for the northern hemisphere, according to nasa. Summer begins with the solstice on thursday, june 20, 2024, marking the astronomical first day of summer in the northern hemisphere.

Summer begins with the summer solstice, thursday, june 20, 2024, 4:51 p.m. 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.