Autumnal Equinox Day 2024

Autumnal Equinox Day 2024. Cdt) and will last until the winter solstice on saturday, december 21, 2024,. The autumnal equinox (as well as spring equinox) is the moment when neither of the earth’s hemispheres is inclined towards or away from the sun.

Autumnal equinox — is an astronomical phenomenon, when the sun in its visible motion along the ecliptic crosses the celestial equator. We celebrate the september equinox as the first day of autumn for the northern hemisphere, and first day of spring for the southern hemisphere.