Equinox 2024 Time Uk. Equinoxes mark the start of spring and autumn, while solstices herald. Royal museums greenwich says the time of this year’s autumn equinox is 12.44pm gmt (1.44pm bst).

The equinox and solstice dates below are for the northern hemisphere, in the southern hemisphere the. Royal museums greenwich says the time of this year’s autumn equinox is 12.44pm gmt (1.44pm bst).