Autumn Equinox 2024 Uk Map. Most people on earth will experience around 12 hours of day and 12 hours of night during september’s equinox. Meanwhile, in the southern hemisphere, it occurs on.

Autumn equinox 2024 occurs sunday 22 september at 12:44pm (13:44 utc), as this is when the centre of the sun crosses the celestial equator. The first day of autumn all depends on what calendar you follow.