Leap Second
Leap second added to 2016 as Earth rotation slows
31 Dec 2016
A "leap second" will be added to 2016 to compensate for a slowdown in the Earth's rotation.
Leap second could cause havoc
1 Jul 2015
The saying goes that there aren't enough hours in a day, but it seems there aren't enough seconds, with another to be added at midday today. Audio
Leap Second
30 Jun 2015
Today will be one second longer as 'leap second day' sees an adjustment to time. At midday today clocks were delayed for a second. It's done to allow the Earth's rotation to catch up with atomic time… Audio