What Is The Last Day Of Fall 2024. As a meteorological season, the last day of summer is aug. The winter solstice arrives on december 21, 2024.
In 2024, the winter solstice will fall at 9:21 utc on december 21 (3:21 am cst). Winter begins with the winter solstice, monday, december 21, 2026, 3:50 p.m.