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Fourth echelon

headsup for tuesday, june 30th

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Everyone gets an extra second on Tuesday, don't waste it!

WASHINGTON, June 29 (UPI) -- The Earth's rotation is slowing ever so slightly. To keep the world's clock in synch with Earth's circadian rhythm, time-keepers are forced to squeeze in an extra second now and again.

On Tuesday, June 30, the last minute of the day will feature an extra second. A 61-second minute will mark the transition from Tuesday to Wednesday, the world over. The last leap second was added in 2012.

"Earth's rotation is gradually slowing down a bit, so leap seconds are a way to account for that," NASA's Daniel MacMillan explained in a statement.

Of course, analog clocks will have to be adjusted manually. But for digital clocks synched to Coordinated Universal Time (UTC), the additional second will be added automatically.


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