Summer Solstice 2025 Dates Usa. America the exact moment of the summer solstice in 2025 is 20 june, at 22:50:20. The first day of summer is also known as the summer solstice, and in 2025 it happens on thursday, june 20 at 4:51 p.m.
When is the first day of summer in 2025? In the northern hemisphere, the 2025 summer solstice will occur on june 20 at 20:51 gmt (4:51 p.m.