When Is The Summer Solstice 2025. In 2025, the summer solstice will occur on june 21, at 02:42 gmt in the northern hemisphere, and on december 21, 2024 at 09:20 gmt in the southern hemisphere. When is summer estival solstice in usa 2024?
This is referred to as. The 2024 winter solstice is here, bringing the darkest days of the year.