Spring Equinox 2024 Season Meaning. The vernal equinox arrives on tuesday, marking the start of the spring season for the northern hemisphere. On march 19, the vernal equinox will see spring come to the northern hemisphere as the sun reaches the spot where the ecliptic and celestial equator cross each other.

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.