Winter Solstice 2024 Usa Calendar. During the winter solstice the sun shines directly on the tropic of capricorn in the northern hemisphere and the tropic of cancer in the southern. The summer solstice represents the longest day, and the winter solstice the shortest.

The 2024 winter solstice — the precise moment when the sun appears farthest south in the sky — is at 4:20 a.m. When is the winter solstice?