While there are plenty of things to note in the calendar for 2024, one of the biggest is that this year is a leap year. But what exactly does that mean, how often does it happen and why? A leap year ...

This February is a little longer than usual. It's a leap year, and today — Thursday, Feb. 29 — is Leap Day. The calendar oddity means this year is actually 366 days long, instead of the regular 365.

While there are plenty of things to note in the calendar for 2024, one of the biggest is that this year is a leap year. A leap year means there's an extra day in the calendar. "It takes approximately ...