Use Fact Monster to find the answers to these questions.
1. Was there a leap year in 2000? Why or why not?
2. What are your chances of being born on leap day?
3. Precisely how many days, hours, minutes, and seconds does it take the Earth to travel around the Sun?
4. Who first came up with the idea of adding a day every four years to keep the calendar in sync with the Sun?
5. Even if you add a leap year every four years how many minutes and seconds is the calendar off by every year?
6. How does the Gregorian calendar fix this problem?
