Winter Solstice 2025 Date And Time. This is the first day of winter (winter solstice) in the northern hemisphere and the first day of summer (summer solstice) in the southern hemisphere. The winter solstice, which marks the first day of winter 2024, occurs on saturday, december 21, 2024 at 4:21 a.m.
Tdt is a uniform time used for astronomical calculations. The data correspond to the seasons of the year 2025.
Winter Solstice 2025 Date And Time Images References :