Spring Equinox 2025 Uk. The spring equinox marks the beginning of spring and from this day forward the day is longer than the night. In 2025 the autumnal equinox will occur on 22 september at 12.44pm gmt (1.44pm bst).
What is the spring equinox? The spring equinox marks the beginning of spring and from this day forward the day is longer than the night.