It only rolls around once every four years - happy Leap Day! Have you ever wondered why we tack on an extra day to the calendar ever four years? It's because a complete revolution of the Earth around the sun takes approximately 365 days and 6 hours. Every four years, after an extra 24 hours have accumulated, an extra day is added to keep the count coordinated with the sun's apparent position.
Here are some other fun facts about Leap Day:
- It is a popular tradition in some countries for a woman to propose marriage to a man on February 29. If the man refuses, he is then obligated to give them woman money or buy her a dress.
- In Greece, it is considered unlucky to marry on Leap Day and even during a Leap Year.
- People born on Leap Day are called "leaplings."
- Julius Caesar introduced the first Leap Day back in 45 BCE.
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