What Is The First Day Of Summer 2024. This year's summer solstice will arrive this thursday on june 20 for the northern hemisphere, according to nasa. The first day of summer arrives with the solstice this year on thursday, june 20, 2024 at 4:51 p.m.

In the northern hemisphere, it always occurs around june 20 or 21. The first day of summer in the northern hemisphere will be on june 20, 2024.