Winter Solstice 2024 Northern Hemisphere. In the northern hemisphere, the winter solstice occurs on december 21 or 22, when the sun shines directly over the tropic of capricorn. It marks the shortest day and longest night of the year and the first day of.
In the northern hemisphere, the 2024 winter solstice will occur on december 21 at 09:20 gmt (december 21, 04:20 a.m. When is the shortest day of the year 2024?