Year One Second Longer

On December 31 this year, a "leap second" will be added to the world's clocks at 23 hours, 59 minutes 59 seconds Coordinated Universal Time, the US Naval Observatory has announced.

On December 31 this year, a "leap second" will be added to the world's clocks at 23 hours, 59 minutes 59 seconds Coordinated Universal Time, the US Naval Observatory has announced.