First Day Of Summer 2024 Time. The summer solstice for the northern hemisphere occurs on june 20, 2024, at 4:51 p.m. Summer 2024 starts on thursday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth's.

On thursday, everyone in the northern half of our planet will experience the summer solstice. The true solstice will arrive in the northern hemisphere at exactly.