[154397] in North American Network Operators' Group
Re: F-ckin Leap Seconds, how do they work?
daemon@ATHENA.MIT.EDU (Jay Ashworth)
Tue Jul 3 15:27:50 2012
Date: Tue, 3 Jul 2012 15:27:07 -0400 (EDT)
From: Jay Ashworth <jra@baylink.com>
To: NANOG <nanog@nanog.org>
In-Reply-To: <779D9856-CAC8-478E-BB7F-96913F8E6D6D@delong.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
----- Original Message -----
> From: "Owen DeLong" <owen@delong.com>
> DST is a time-zone specific phenomenon.
Nobody said *anything* about DST; that's a complete red herring to=20
discussions of leap seconds.
> Leap seconds are changes to the actual core time. UTC moves with leap
> seconds.
Correct.
> The system clock needs to be UTC, not UTC =C2=B1 some offset stuck
> somewhere that keeps some form of running tally of the current leap
> second offset since the epoch.
Nope. UTC *includes* leap seconds already. It's UT1 that does not.
Are you suggesting that NTP timekeeping should be based on UT1?
Cheers,
-- jra
--=20
Jay R. Ashworth Baylink jra@baylink.=
com
Designer The Things I Think RFC 2=
100
Ashworth & Associates http://baylink.pitas.com 2000 Land Rover =
DII
St Petersburg FL USA http://photo.imageinc.us +1 727 647 1=
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