Autumn Equinox 2024 Uk. The equinox in the northern hemisphere occurs twice a year around 20 march (the spring equinox) and around 22 september (the autumn equinox). According to the meteorological calendar, the first autumn day is sunday 1st september 2024.
Royal museums greenwich says the time of this year’s autumn. The two equinoxes happen on 20 march (spring equinox) and 22 september (autumn equinox) and the days and nights should roughly be the same length.
