If January felt endless, February may be refreshing since it's only 28 days long. Thank the Romans for that oddity. Before the Gregorian calendar used today, Roman King Numa Pompilius (715-673 BC) set ...

February's unique length on the modern-day calendar is derived from the Romans' alterations and superstitions while they were in power in Italy centuries ago. February has 28 days most years — ...

A new month is upon us! Here are the key calendar dates to remember for April 2026.

Nearly every four years, the Gregorian calendar — which is used in the majority of countries around the world — gets an extra day: February 29. For some people, leap day means frog jokes and ...

You can track the start of spring and the phases of the moon—or you can turn to a formula by mathematician Carl Friedrich ...

Editor's note: An earlier version of this story ran in February 2025. It has been updated for 2026. If January felt endless, February may be refreshing since it's only 28 days long. Thank the Romans ...