Spring Equinox 2025 Date Uk 2024. All you need to know here. The spring equinox, known as the vernal equinox in the northern hemisphere, is a day on which the sun sits directly over the equator, so day and night all over the world are of equal length.

This year, astronomical spring began on 20 march 2022 and ended on 21 june 2022. The 2025 march equinox falls march 20 at 9:01 utc.