Winter Solstice 2025 Ukraine. It'll start at 4:21 a.m. Meteological winter begins december 1 / june 1 (depending on hemisphere).

For many people, the winter solstice marks the changing of fall to winter. The end of fall is marked by the winter solstice—the day with the fewest hours of sunlight throughout the year, therefore making it the shortest day and longest night of the year.