Spring Solstice 2025 Time. The first day of spring is march 20, 2024, at 5:02 a.m. The 2025 march equinox falls march 20 at 9:01 utc.

Spring 2025 starts on thursday, march 20th in the northern hemisphere, with daylight time lengthening and the leaves begining show on the trees with the changing tilt of the earth’s. The vernal equinox marks the beginning of astronomical spring, while the autumnal equinox marks the beginning of autumn.