Leap year

Today it was February 29th; a leap day in a leap year. And for a lot of people the only time in 4 years they can celebrate their birthday. A leap year is a year in which an extra day in added to the calendar in order to synchronize it with the seasons. Since the tropical year is 365.242190 days long, a leap year must be added roughly once every four years (four times the fractional day gives ). In a leap year, the extra day (known as a leap day) is added at the end of February, giving it […]