1st Day Of Spring 2024 Date Nyc. In 2024, the official first day of spring is tuesday, march 19. Day 1 is thursday, sept.

Spring officially begins in the northern hemisphere on march 19 with the vernal equinox as the entire world experiences an equal amount of daylight and darkness. The vernal equinox arrives on tuesday, march 19, marking the start of the spring season for the northern hemisphere.