Spring Equinox 2025 Date Uk. The vernal equinox marks the day when the sun's direct rays shine on the equator, resulting in. In 2025, the official first day of spring is thursday, march 20.
Find out the date when march equinox is in 2025 and count down the days until march equinox with a countdown timer. The first day of spring is also called the vernal equinox.