Autumn Equinox 2024 Observances Uk. The equinox in the northern hemisphere. In different time zones, the date of the equinox may differ by a day, so it is important to indicate your exact location.

Mabon, celebrated around the time of the autumn equinox, typically between september 21st and 24th, marks a period of balance and reflection. The autumn equinox usually occurs on the 22nd or 23rd september, but it has been known to occur on the days on either side of those dates.