Spring Vernal Equinox 2024 Date. The vernal equinox arrives on tuesday, march 19, marking the start of the spring season for the northern hemisphere. 22, in the united states and the rest of the northern hemisphere, because that’s the.

Spring is here — officially, at least. The spring equinox (march 19, 2024) signals the start of spring in the northern hemisphere, the beginning of autumn in the southern hemisphere, and a rare moment of equal night across the.