First Day Of Spring 2025 Usa. Here’s a list of the exact dates and times of the four seasons in north america, including the first days of winter, spring, summer, and fall for the next ten years. This date marks the beginning of the warmer months and the end of the winter season.

Along with the start of a new season, the spring equinox marks the day in which day and night are nearly equal, both lasting about 12 hours. When do the four seasons start in 2025—for spring, summer, fall, and winter?