Winter Solstice 2025 Date And Time In Usa. When is the winter solstice in 2025? Winter begins with the winter solstice,.
โ winter solstice, the shortest day of the year and the official first day of winter, is on thursday, december 21, this year (well, for the vast bulk of the americas. Fall begins with the autumnal equinox, sunday, september 22, 2025, 8:44 a.m.