First Day Of Spring 2025 Timeline. If you notice meteorologists celebrating the new season a bit early, there’s a reason for it, but it doesn’t mean the.  — spring gets its official start tuesday, march 19, 2025, in the northern hemisphere.

What to know about the vernal equinox. Spring begins falls on march 20 this year, with the arrival of the vernal equinox, spring equinox, or march equinox lasting till about june 22.