What Is Leap Year?

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Last Wednesday was February 29.

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This date is very special.

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It only comes every four years.

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This is because it takes the Earth about 365 days, 5 hours, 48 minutes, and 46 seconds to circle once around the sun.

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But our calendar has only 365 days in a year.

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So if we didn¡¯t add a day in February every four years, we would lose almost six hours off our calendar every year.

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After 100 years, our calendar would be off by about 24 days!

100³â ÈÄ¿¡, ¿ì¸®ÀÇ ´Þ·ÂÀº ¾à 24ÀÏÀÌ ÁÙ¾îµé °ÍÀÔ´Ï´Ù!