First Day Of Spring 2025

First Day Of Spring 2025. By the meteorological calendar, spring will always start on 1 march; For those of us in the northern hemisphere, this was marked by the arrival of the vernal equinox.

Here’s what to know about how we split up the year using the earth’s orbit. In 2025, the march equinox will occur on tuesday, march 19, at 11:06 p.m.