What Is The First Day Of Summer 2025 Solstice. 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). The following table shows the dates together with the exact time in which each of the seasons of the year begin.

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). When is summer estival solstice in usa 2024?