- When Is the Next Leap Year?
- Next leap day is February 29, 2016.
- Last leap day was February 29, 2012.
- Why Add Leap Years?
“Leap years are needed to keep our modern day Gregorian calendar in alignment with the Earth’s revolutions around the sun.”
“It takes the Earth approximately 365.242189 days – or 365 days, 5 hours, 48 minutes, and 45 seconds – to circle once around the Sun. This is called a tropical year, and is measured from the March equinox.”
“However, the Gregorian calendar has only 365 days in a year, so if we didn’t add a leap day on February 29 nearly every four years, we would lose almost six hours off our calendar every year. After only 100 years, our…
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