Spring Equinox 2024 Date And Time Uk. 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 first day of spring in the uk astronomically occurs on the vernal equinox, 20 march 2025.
By the meteorological calendar, spring will always start on 1 march; In 2024, the official first day of spring is tuesday, march 19.