First Day Of Spring 2024 Nz Usa. Spring 2024 starts on tuesday, march 19th in the northern hemisphere, with daylight time lengthening and the leaves begining show on the trees with the changing tilt of. The first day of spring is march 20, 2024, at 5:02 a.m.

When is the spring equinox? This is also the start of the vernal equinox.