What Does Spring 2024 Mean. The spring equinox is tuesday, march 19 and brings the first day of astronomical spring to the northern hemisphere. The northern hemisphere’s spring — or vernal — equinox can land between march 19 and 21, depending on the year.
The vernal equinox arrives on tuesday, marking the start of the spring season for the northern hemisphere. The northern hemisphere’s spring — or vernal — equinox can land between march 19 and 21, depending on the year.