Whats 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 true solstice will arrive in the northern hemisphere at exactly 4:51 p.m.

The summer solstice, popularly known as the first day of summer, will occur at precisely 8:58 a.m. Here are the equinox and solstice dates—plus, answers to common questions about the seasons of the year in north america.