First Day Summer 2024. This year, the first day of summer, also known as the summer solstice, is thursday, june 20. The summer solstice for the northern hemisphere occurs on june 20, 2024, at 4:51 p.m.
For those of us in the northern hemisphere, earth is tilting mostly. The summer solstice for the northern hemisphere occurs on june 20, 2024, at 4:51 p.m.