First Day Of Summer 2025 Date

First Day Of Summer 2025 Date. Seasons divide the year into four distinct periods of time named spring, summer, autumn/fall, and winter. Summer begins with the solstice on thursday, june 20, 2024, marking the astronomical first day of summer in the northern hemisphere.

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.