[time-nuts] Re: UTC - A Cautionary Tale

Poul-Henning Kamp phk at phk.freebsd.dk
Tue Jul 19 04:36:54 EDT 2005


In message <20050718.143634.22017588.imp at bsdimp.com>, "M. Warner Losh" writes:

>:      2005-07-18T12:34:56Z (UTC)
>:      2005-07-18T12:35:28A (TAI - same instant)
>: 
>: Multiple timescales will always exist.  We should acknowledge that  
>: fact and move on.
>
>The reason that 'Z' is used for UTC is that A-X are used for all the
>other time zones on the planet (well, all the ones that fall on hour
>boundaries).  I'm unsure if 'Y' is free or not for TAI.

I belive the A-X is only a military convention and I belive they
have even given up on it and just resorted to Z time throughout.
At least that was the case in the most recent joint NATO exercises
and operations.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
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