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The year will be one second longer

June 15th, 2015

In the night leading up to 1 July, the Physikalisch-Technische Bundesanstalt will add one leap second to its time signals

Exactly three years after the last leap second, it is that time again. In the night leading up to 1 July 2015 there will be an extra second once more. This will lengthen Coordinated Universal Time (UTC) and our legal time, currently Central European Summer Time (CEST) by one second.

The Physikalisch-Technische Bundesanstalt (PTB) is following the specifications of the International Earth Rotation and Reference Systems Service (IERS) in Paris and will add the leap second to its time service signals: to the DCF77 time transmission for radio-controlled clocks, the telephone time service and the Internet time service via NTP. This action is necessary because the atomic clocks "tick" more regularly than the Earth rotates.

More information:
www.ptb.de/cms/en/presseaktuel … ee0c6028d6401a2ca0b4

Provided by Physikalisch-Technische Bundesanstalt

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