The spring equinox, or the vernal equinox as it is more formally known, marks the astronomical start of spring, when the sun passes north over the celestial equator, a notional equator that ...

The spring equinox begins on March 20, which is the first day of astronomical spring. Meteorological spring falls on March 1. The Met Office says that astronomical seasons “refer to the position ...

It falls annually within a two-day period between March 20-21. The vernal equinox marks the official start of spring, and will happen on March 20, 2025. The spring equinox takes place at 5:01 a.m ...