First Day Of Summer 2024 Dates Usa. Learn more about when it starts, the summer solstice and more. Hope you've got your pencils ready and your calendars out:
The first day of summer is also known as the summer solstice, and in 2024 it happens on thursday, june 20 at 4:51 p.m. When do the four seasons start in 2024—for spring, summer, fall, and winter?