https://support.microsoft.com/en-us/kb/909614 basically: ignore the leap second, so your computer is "fast" relative to UTC, and next time you resynchronize time it adjusts Windows, these days, runs NTP http://blogs.msdn.com/b/mthree/archive/2015/01/08/leap-seconds-010815.aspx http://blogs.msdn.com/b/mthree/archive/2015/01/14/leap-seconds-011415.aspx for more info

From: Jim Lux https://support.microsoft.com/en-us/kb/909614 basically: ignore the leap second, so your computer is "fast" relative to UTC, and next time you resynchronize time it adjusts Windows, these days, runs NTP http://blogs.msdn.com/b/mthree/archive/2015/01/08/leap-seconds-010815.aspx http://blogs.msdn.com/b/mthree/archive/2015/01/14/leap-seconds-011415.aspx for more info _______________________________________________ .. although the NTP run by default meets few of the standard NTP functions, as provided by the Meinberg NTP port, which includes smooth leap-second handling. http://www.meinbergglobal.com/english/sw/ntp.htm#ntp_stable http://www.satsignal.eu/ntp/setup.html Cheer, David -- SatSignal Software - Quality software written to your requirements Web: http://www.satsignal.eu Email: david-taylor@blueyonder.co.uk

Hilarious note on the bottom of the document: This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. Wasn't the leap second publicised 6 months in advance? Tom Harris <celephicus@gmail.com> On 25 June 2015 at 02:24, David J Taylor <david-taylor@blueyonder.co.uk> wrote: > From: Jim Lux > > https://support.microsoft.com/en-us/kb/909614 > > basically: ignore the leap second, so your computer is "fast" relative > to UTC, and next time you resynchronize time it adjusts > > Windows, these days, runs NTP > > http://blogs.msdn.com/b/mthree/archive/2015/01/08/leap-seconds-010815.aspx > http://blogs.msdn.com/b/mthree/archive/2015/01/14/leap-seconds-011415.aspx > > for more info > _______________________________________________ > > .. although the NTP run by default meets few of the standard NTP > functions, as provided by the Meinberg NTP port, which includes smooth > leap-second handling. > > http://www.meinbergglobal.com/english/sw/ntp.htm#ntp_stable > http://www.satsignal.eu/ntp/setup.html > > Cheer, > David > -- > SatSignal Software - Quality software written to your requirements > Web: http://www.satsignal.eu > Email: david-taylor@blueyonder.co.uk > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. >

On Thu, Jun 25, 2015 at 6:43 AM, Tom Harris <celephicus@gmail.com> wrote: > This is a "FAST PUBLISH" article created directly from within the > Microsoft support organization. The information contained herein is > provided as-is in response to emerging issues. As a result of the speed in > making it available, the materials may include typographical errors and may > be revised at any time without notice. > > Wasn't the leap second publicised 6 months in advance? > Just below that: Article ID: 909614 - Last Review: January 16, 2015 - Revision: 8.0 So it _was_ fast published after they heard in Jan. And it will next be revised when the next leap second is announced. In between, we can ignore the problem :-) Every job takes only two minutes, if you wait till the last minute to do it. -- Sanjeev Gupta +65 98551208 http://www.linkedin.com/in/ghane