Did you know both the astronomical first day of spring and Easter Sunday are tied to the spring equinox? How they relate, what to know for spring 2025.

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

Today is April Fools’ Day, the annual holiday that celebrates pranking, hoaxes, and all manner of horseplay and tomfoolery.

Here’s when the first days of spring are, why there’s a different first day for meteorological and astronomical seasons and when we spring forward.

Aries is the first astrological sign in the ... However, complex traditions, changes in calendar systems and astronomical cycles can sometimes push those holidays toward the middle of the season. This ...

What is it about the first day of April that brings out the prankster, or the fool (you know who you are) in us?

From its origins — whether in Ancient Rome, medieval England, or Renaissance Europe — to today, April Fools' Day has always ...

Easter is an important day for those of the Christian faith. It can fall on a different date from year to year, depending on the moon cycle.