Fall Equinox Date 2024 Uk. It also lists astronomical sunrise and sunset timings on autumnal. In 2024 the autumnal equinox will occur on 22 september at 12.44pm gmt (1.44pm bst).
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. This sunday, the autumnal equinox is upon us, and with it, a shift to shorter days, longer nights and the astronomical start of fall in the northern.