First Day Of Summer 20254 2025

First Day Of Summer 20254 2025. Fall begins with the autumnal equinox, friday, september 22, 2028, 7:45 a.m. Is it really the longest day of the year?

The first day of summer, also known as the summer solstice, will occur on saturday, june 21, 2025, at 10:42 pm edt. This is the longest day of the year and marks the start of summer in.