Ready for the first day of spring? What we know about the 2025 spring equinox, the autumnal equinox, summer and winter solstices and more.

The word “equinox” is derived from the Latin words for “equal” and “night ,” because the hours of night and day are nearly ...

The first day of spring in the Northern Hemisphere falls on March 20, 2025, marking the vernal equinox. The event occurs when ...