Elias Lange

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Leap Year

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Why do we have a leap year?

Leap years are needed to keep our calendar in alignment with the earth’s rotation around the sun.

It takes the earth approximately 365 days, 5 hours, 48 minutes, and 46 seconds to circle once around the sun.
If we didn’t add a day in February (29) every 4 years we would lose almost six hours every year.

After about 100 years our calendar would be off by approximately 24 days. To counteract we have every 4 years a leap year.

Leap years from 2012 – 2216
Leap years from 2012 - 2216

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  1. Pingback: How many days are in each month? | Elias Lange

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