Shortest Day Of The Year 2024 Time Change. This year the winter solstice in the northern hemisphere is on 21 december and therefore. Daylight saving time for 2024 began at 2 a.m.
The winter solstice is a celestial milestone that signifies the shortest day and the longest night of the year. Winter solstice 2024 will occur on december 21, marking the shortest day and longest night of the year.