Tuesday Will Have a 'Leap Second,' Says Nasa

NDTVTuesday Will Have a 'Leap Second,' Says NasaNDTVJune 30 this year will officially be a bit longer than usual because an extra second, or 'leap' second, will be added to the day, according to Nasa. "Earth's rotation is gradually slowing down a bit, so leap seconds are a way to account for that," said ...Leap second: How common are they, how do we prepare and is there anything ...The IndependentDo You Know Clocks Are Going Back Next Tuesday?Focus Newsall 177 news articles »