Winter Solstice 2024 Picsart. The winter solstice 2024 will mark the longest night of the year in the northern hemisphere. It ends on 20 march 2025.
Occurring on december 21, 2024, at 4:19 am est, it marks the shortest day. The winter solstice — the exact moment when the sun appears farthest south in the sky — happens at 4:21 a.m.