First Day Summer 2025

First Day Summer 2025. Here’s a list of the exact dates and times of the four seasons in north america, including the first days of winter, spring, summer, and fall for the next few. This year the summer will start on thursday june 20, 2025 (day of the summer solstice) and will end on sunday september 22, 2025 with the autumnal equinox.

When is the first day of summer in 2025? Edt on june 20, according to timeanddate.com.