When Is Spring 2024 Started. The vernal equinox arrives on tuesday, march 19, marking the start of the spring season for the northern hemisphere.  — when does 2024 spring start?

 — 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 earth’s axis.  — spring is here — officially, at least.