The Northern Hemisphere is welcoming Spring 2025 on March 20, also known as the vernal equinox. The jump into spring has come with celebrations and traditions of rebirth around the world for centuries. Here's what to know about the first day of spring.

The start of the astronomical season begins on the date of the spring equinox. This falls on 20 March in 2025, and will last until what's known as the summer solstice on 21 June. During this period, the days will be longer than the nights.