Shortest Day 2024 Solstice Date. In london on december 21, the length of the day is 7 hours 49 minutes 41 seconds. After the solstice, every day will have a little more sunlight than the one before.

Winter in the northern hemisphere will officially begin on saturday, december 21, 2024, when the winter solstice occurs. This year the winter solstice in the northern hemisphere is on 21 december and therefore.