Spring Equinox 2024 Season Of Discovery. 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 september 22, 2024, equinox marks a significant astronomical event, heralding the beginning of fall in the northern hemisphere and the start of spring in the southern hemisphere.

This will signify the start of spring for the northern hemisphere! On this day, the sun crosses the celestial equator, making day and night almost equal worldwide.