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Articles on Leap year

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Leap Day is coming. Marvin Samuel Tolentino Pineda/iStock, via Getty images

Why does a leap year have 366 days?

Humans have synced their calendars to the sun and moon for centuries, but every so often, these systems need a little correction.
An unusual date that comes to us from the heavens. Date image via shutterstock.com

Leap day: fixing the faults in our stars

We will get an ‘extra’ day this year, February 29. Where do these quadrennial liberties with our calendar originate?

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