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1 second to be added to clocks on Tuesday

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Posted at 9:46 AM, Jun 29, 2015
and last updated 2015-06-29 09:54:22-04

An extra second will be added to clocks this year.

Officials at the International Earth Rotation and Reference Systems Service in Paris, France said a "leap second" will happen just after the 23:59:59 mark on June 30. The leader of the Earth Orientation Center of IERS, Daniel Gambis, addressed the issue in a letter to those responsible for the "measurement and distribution of time."

A leap second is added at either the end of December or June to correct desynchronization between Universal Time (defined by the Earth's rotation) and Atomic Time, (the weighted average of about 200 atomic clocks in laboratories around the globe), according to a CBS report.

The last leap second happened in June 2012.