Winter Solstice 2024. It marks the shortest day and longest night of the year and the first day of. The 2024 winter solstice — the precise moment when the sun appears farthest south in the sky — is at 4:20 a.m.

The winter solstice heralds the astronomical start of winter and marks the day with the fewest hours of daylight for the year. The next winter solstice for the northern hemisphere will occur on dec.