Start Of Summer 2025. Fall begins with the autumnal equinox , monday, september 22, 2025, 2:19 p.m. Using the below dates from your home area, we have put together a guide of school holiday 2025 dates which my vary slightly in your school district.

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.