What Is The Shortest Day Of The Year 2024 In Usa. The shortest day of the year, in terms of daylight, is december 21, the winter solstice. In the northern hemisphere, the shortest day of the year 2024 will occur on december 21.

The shortest day of the year falls on saturday 21st december 2024. The first day of winter is marked by the winter solstice, which occurs when the earth’s axis tilts farthest from the sun.