Spring Vernal Equinox 2024 Uk. In 2024 the autumnal equinox will occur on 22 september at 12.44pm gmt (1.44pm bst). This date marks the spring equinox in the northern hemisphere.
But did you know there are actually three main definitions for the season coming from astronomy, meteorology and. The spring equinox (as well as autumnal equinox) is the moment when neither of the earthโs hemispheres is inclined towards or away from the sun.