When Is Spring Solstice 2024. 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. The vernal equinox marks the beginning of astronomical spring, while the autumnal equinox marks the beginning of autumn.
For those of us in the northern hemisphere, this was marked by the arrival of the vernal equinox (otherwise known as the. There is no such thing as a “spring solstice”, only the “spring equinox”.