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Why do we have leap years? Everything to know about Leap Day

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. Here's why leap years occur.

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Why do we have leap years? Everything to know about Leap Day
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    What is a leap year, and why do they happen? Everything to know about Leap Day

    What is a leap year, and why do they happen? Everything to know about Leap Day

    Why is Leap Day in February?

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