[ntp:questions] Leap second to be introduced in June

William Unruh unruh at invalid.ca
Mon Jan 12 03:40:17 UTC 2015


On 2015-01-12, Mike S <mikes at flatsurface.com> wrote:
> On 1/11/2015 7:16 PM, William Unruh wrote:
>> If that public source is responsible it will pass on to your
>> system the fact that there is a leapsecond, and your system will "stop"
>> for a second at the last second of June.
>
> A system which properly implements leap seconds will do no such thing. 
> It will properly account for a minute with 61 seconds, and will tick 
> from 23:59:59 to 23:59:60 then to 00:00:00.
>
> There is no "stopping," or any other discontinuity.

Well, actually as I understand it, ntpd does stop the cclock for that
second, making sure that every successive read of the clock during that
time is later than the one before by a few microseconds. until the
second ends.



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