Equinox 2024 March. 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. On this date, the day is equal.
The oort cloud comet, called c/2023. An equinox is one of two days in the year when the sun crosses the equator and day and night become equal in length.