Spring Equinox 2024 Date. In 2024, the vernal equinox occurred on march 19, signaling the start of spring in the northern hemisphere (and fall in the southern hemisphere). What is the spring equinox and what happens on this day?

The vernal equinox arrives on tuesday, marking the start of the spring season for the northern hemisphere. This year it starts on march 19 2024, at 11:06 p.m.