June 30, 2015 will be a second longer

    The International Earth Rotation Service notifies that a positive second of coordination is being added by June 2015. The sequence will be as follows:

    06/30/2015 23 h 59 min 59 s
    06/30/2015 23 h 59 min 60 s
    07/01/2015 00 h 00 min 00 s

    Difference between UTC and international atomic time:

    from 01.07.2012 00 h UTC until 07/01/2015 00 h UTC: UTC-TAI = -35 s
    from 07/01/2015 00 h UTC until further notice: UTC-TAI = -36 s

    Coordination seconds since 1972 are added to December or June, so that the UTC time does not differ from UT1 by more than for 0.9 s

    Linus torvalds saidthat kernel developers do not expect any problems with Linux this year, but there will certainly be problems, because every time you add a second of coordination, something new appears. The situation is very rare, so you cannot normally test it.

    The debate about canceling the second of coordination has been going on for 15 years. Perhaps the problem will be solved in November this year at the World Radiocommunication Conference in Geneva. Representatives of the USA, some ITU experts and others insist on the abolition of leap second. However, the debate may drag on for another couple of decades.

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