What Date Is Spring 2025. In a meteorological sense, march 1 is. In 2025, astronomical spring in the northern hemisphere will begin on march 20 at 09:02 utc and in the southern hemisphere โ on september 23 at 06:20 utc.
After this date, daylight hours slowly increase until the vernal equinox. The beginning of spring is a astronomical event associated with the spring equinox, which marks one of the two times in the year when the earth’s axis is neither tilted towards nor away from.