Time Change Fall 2025 Dates. In different time zones, the date of the equinox may differ by a day, so it is important to indicate your exact location. Spring begins with the vernal equinox, thursday, march 20, 2025, 5:01 a.m.
However, in the united states, it begins—springs forward—at 2 a.m. America the exact moment of the autumnal equinox in 2025.