Winter 2024 Start Date In Usa. Learn all about the shortest day of the year—and tell us what winter means to you! Seasons divide the year into four distinct periods of time named spring, summer, autumn/fall, and winter.
The winter solstice, which marks the first day of winter 2024, occurs on saturday, december 21, 2024 at 4:21 a.m. When do the four seasons start in 2024—for spring, summer, fall, and winter?