Monday, February 29, 2016

Moose Jaw Times-Herald: Lisa's Corner: Synching the Earth's orbit with leap years

By Lisa Goudy

Once every four years, we get a bonus day in February. 

This year is one of those years.The year 2016 is a leap year and Monday - Feb. 29 - is Leap Day. While many of us might not care about having an extra day, ignoring the fact that it's a Monday in the middle of winter, the reason for having a leap year is actually significant. And no, I'm not talking about the Amy Adams' romantic comedy film, 'Leap Year,' although I do hope to one day visit Ireland.

So the first question becomes why do we have leap years? The answer has to do with the sun and Earth's orbit. We have 365 days in a year, but the Earth takes five hours, 48 minutes and 46 seconds longer than that to go around the sun. Over a period of four years, that added time equates to a day.

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