[LEAPSECS] The relation between calendars and leap seconds.
Poul-Henning Kamp
phk at phk.freebsd.dk
Wed Nov 12 12:29:21 EST 2008
In message <Pine.GSO.4.58.0811121629040.5480 at cass03>, Peter Bunclark writes:
>> And illegal on many systems, including all USGOV owned and operated
>> systems.
>
>So would that mean that any USGOV owned and operated systems not running
>NTP (Window boxes, for example), or those running NTP but are in the
>middle of dealing with a leapsecond, are being illegally operated?
>
>How close to UTC do you have to be to be under the limit when the US Time
>Police pull you in?
That's the funny thing, isn't it ?
As long as you run the system on the buggy POSIX definition of UTC,
and that obviously entails using a UTC source as your reference, it
doesn't matter how lousy your timekeeping is.
But the second you use a non-UTC reference, your are in violation
of FIPS151-2, even if that makes you more precise, timewise.
As one of your supreme court judges said during arguments last year:
words matter, especially in legal texts.
Poul-Henning
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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