Spring Equinox 2024 Date. When is the first day of spring in 2024? The spring equinox is tuesday, march 19 and brings the first day of astronomical spring to the northern hemisphere.
In 2024, the vernal equinox occurred on march 19, signaling the start of spring in the northern hemisphere (and fall in the southern hemisphere). 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.