Equinox 2024 Time Uk. Tomasz schafernaker explains why there is more than one answer to that question. However, the astronomical calendar is based on the position of the sun in relation to the earth and changes each year โ known as the autumn equinox.
Equinoxes mark the start of spring and autumn, while solstices herald summer and winter. In 2024 the autumnal equinox will occur on 22 september at 12.44 gmt (01.44 bst).