First Day Of Summer 2024 Calendar Dates

First Day Of Summer 2024 Calendar Dates. When is the first day of summer? Usually, when we talk about the first day of summer, we are referring to the astronomical summer which is defined by the earth's.

The summer solstice for the northern hemisphere occurs on june 20, 2024, at 4:51 p.m. This year, the first day of summer, also known as the summer solstice, is thursday, june 20.