Equinox 2024 Solar. 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. An equinox is one of two days in the year when the sun crosses the equator and day and night become equal in length.

India equinox and solstice dates. At the september equinox, it’s crossing from north to south.