Winter Solstice 2025 Calendar

Winter Solstice 2025 Calendar. In the northern hemisphere, it occurs when the sun is directly over the tropic of capricorn, which is located at 23.5°. The winter solstice, which marks the first day of winter 2025, occurs on sunday, december 21, 2025, 10:03 a.m.

At the winter solstice, we have the longest night and the shortest day of the year. In the northern hemisphere, it occurs when the sun is directly over the tropic of capricorn, which is located at 23.5°.