Winter Solstice 2025 Dates. Fall begins with the autumnal equinox, monday, september 22, 2025, 2:19 p.m. Dong zhi, or winter solstice festival, is an important observance in singapore, where longstanding chinese traditions remain strong.

While celebration is most common among ethnic chinese,. The day in our calendar that marks the first day of winter usually refers to the astronomical seasons which are a result of the earth’s axis and orbit around the sun.