How to Calculate Leap Year and Why it Exists in the First Place

10. A little bad luck

However, not everywhere believes that a Leap Year is a lucky thing. In Greece, Leap years are wholly unlucky for love, and specifically when it comes to marriage. It is such an entrenched tradition that many engaged couples will wait until the end of a leap year to get married.

Similarly, in Italy, superstitions suggest that buying a car or house during a Leap year is a bad idea and that somebody should instead wait. Around the world, there is also an idea that giving birth during a leap year is bad luck, and will give you a child who is hard to parent.