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'Leap second' added for first time in three years
Leap seconds help keep atomic time in sync with Earth's rotation; but also cause their own problems
Midnight will come later tonight as for the first time in three years an extra second is added to the official time set by atomic clocks.
The "leap second" means the last minute of June will have 61 seconds in it.
Leap seconds - and leap years - are added as basic ways to keep the clock in sync with the Earth and its seasons.
Unpredictable rotation
The addition will mean that the last minute of June will have 61 seconds; while 23:59:59 usually becomes 00:00:00, the leap second will ensure the time becomes 23:59:60.
http://www.bbc.com/news/science-environment-33313347
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Be sure to take advantage of this and get that extra second of sleep! LOL!
