First Day Of Summer 2024 Usa Schedule. See the calendar of holidays, such as new year's day, martin luther king day,. Learn what the summer solstice is, how it's celebrated and when summer ends in 2024.

The first day of summer changes from year to year, arriving on june 20, 21 or 22. When do the four seasons start in 2024—for spring, summer, fall, and winter?