Dotti Chloette

What Is Spring Equinox 2024 Called. 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. The northern hemisphere’s spring — or vernal — equinox can land between march 19 and 21, depending on the year.

Here’s what to know about how. The vernal equinox arrives on tuesday, marking the start of the spring season for the northern hemisphere.