Spring Equinox 2024 Images And Names. The spring equinox (march 19, 2024) signals the start of spring in the northern hemisphere, the beginning of autumn in the southern hemisphere, and a rare moment of equal night across the. The spring equinox is when the sun aligns directly above the equator.

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. It is also the point in the calendar where the day length is more or less equal to the.