Summer Solstice 20254 2025

Summer Solstice 20254 2025. In 2025, the summer solstice in the northern hemisphere will occur on june 20, 2025, at 10:42 pm edt (or 2:42 am utc on june 21). At the summer solstice, we have the longest day and the shortest night of the year.

When is the first day of summer 2025? What exactly is the summer solstice?