March Equinox 2024 Meaning. The spring equinox occurs when the earth’s axis is tilted neither away nor towards the sun, resulting in the sun being directly above the equator. The march equinox, also known as the vernal equinox, every year marks the transition to spring in the northern hemisphere and autumn in the southern hemisphere.
Spring equinox 2024 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic. This is to do with when the sun crosses.