Leap Second
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2016 Gets A Leap Second: How Does 1 Extra Second Affect You?
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Leap Second On New Year's Eve: What Happens If We Don't Add Another Second To World's Clocks?
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2016 Set To Be A Long Year: Leap Second To Be Added To World's Clocks On New Year's Eve
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Is The Leap Second More Trouble Than It’s Worth?
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June 30 Gets A Leap Second: Why Do We Need One And How Should We Prepare
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Leap Second: June 30 Will Be 86,401 Seconds Long And Here's NASA's Explanation Why
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Scientists Adding 'Leap Second' To World Clock This June 30
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Hullabaloo Over Leap Second in 2015: Doomsday? End of the World? Not Really
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June 30 Will be a Second Longer This Year. What Leap Second is All About
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