Did you know both the astronomical first day of spring and Easter Sunday are tied to the spring equinox? How they relate, ...

The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year. Its fall – or autumnal — equinox can land between Sept. 21 and 24.

The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year. Its fall – or autumnal — equinox can land between Sept. 21 and 24.

The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year. Its fall – or autumnal — equinox can land between Sept. 21 and 24.

Spring Equinox is rapidly approaching. When is the first day of spring? What we know about when spring starts, winter ends, summer solstice and more.

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

With the vernal equinox nearly upon us ... An equinox occurs twice a year. The autumnal equinox occurs in September – when the Earth's axis is tilted neither toward nor away from the sun ...