leap second

'Leap Second' Explained; How Will This Affect People In 2017?

By Maria Follet - Jan 03, 2017 05:20 AM EST

There's a "leap second" in year 2016; Did everyone notice it?

Leap Second To Make Tuesday Year's Longest Day

By Peter R - Jun 29, 2015 12:16 PM EDT

The leap second will be added to compensate for Earth's slowing rotation

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