Summer And Winter Solstice 2025 Dates. The data correspond to the seasons of the year 2025. The summer solstice, which occurs around the 21 june in the northern hemisphere, is the day of the year with the longest period of daylight while the winter solstice, on or around the 21.
The northern winter solstice occurs around december 21st of each year, and the northern summer solstice occurs around june 21st. Winter solstice 2024, 2025 winter & summer solstice.