HWCLOCK,LOCALTIME,UTC how to fix wrong time.

[Aaron Konstam]

On Thu, 2012-04-05 at 09:14 -0700, Rick Stevens wrote: 
> On 04/05/2012 06:58 AM, Aaron Konstam wrote:
> > On Wed, 2012-04-04 at 15:11 -0700, Rick Stevens wrote:
> >> On 04/04/2012 02:47 PM, luis redondo wrote:
> >>> I got that Fedora16 and OpenSUSE present wrong system time because they
> >>> are the only systems I run that have WRONG UTC.
> >>> For example: My correct system time is 21:20:04 and when I do on
> >>> Fedora(OpenSUSE) :
> >>> hwclock ; date ; date --utc I got
> >>>
> >>> 8:20:04 PM WEST
> >>> 20:20:04 WEST 2012
> >>> 19:20:04 UTC 2012
> >>>
> >>> Then UTC is 2 hours before my right daylight savings time AND IT SHOULD
> >>> BE ONLY 1 HOUR.
> >>> On Ubuntu,Debian which present right system hour with daylight savings
> >>> the UTC is 1 HOUR BEFORE
> >>> 20:20:04 UTC 2012(which is correct with the real world).
> >>
> >> The numbers look right for the WEST time zone (western Europe savings
> >> time), which is defined as "+0100".
> >>
> >> "hwclock" always reports in local time, regardless if your hardware
> >> clock is set to UTC or not (read the man page if you don't believe me).
> >> You need to look at /etc/sysconfig/clock to see how your hardware clock
> >> is set. If "UTC" is "true", then your hardware clock is using UTC.
> >> -
> >> ----------------------------------------------------------------------
> > My hardware clock is set to UTC. But in /etc/sysconfig/clock
> > all I find is a line defining the Local time zone "America/Chicago".
> > Nothing about UTC.
> 
> I believe the default hardware clock setting (e.g if "UTC=" is not
> specified) is UTC as well. The /etc/adjtime file will tell you what
> it really is set to. If you see UTC in there, then your hardware clock
> is UTC.
> 
> This was all a hell of a lot easier when you could look at the startup
> scripts instead of having this silly systemd-timedated binary. I'm not
> a fan of this whole systemd crap. I like transparency and in lieu of
> source code, how about a man page?
> ----------------------------------------------------------------------
> - Rick Stevens, Systems Engineer, AllDigital    ricks at alldigital.com -
> - AIM/Skype: therps2        ICQ: 22643734            Yahoo: origrps2 -
> -                                                                    -
> -  Perseverance:  When you're too damned stubborn to say "I quit!"   -
> ----------------------------------------------------------------------

I agree with you. UTC is indeed in adjtime fille.
-- 
=======================================================================
"Is it just me, or does anyone else read `bible humpers' every time
someone writes `bible thumpers?' -- Joel M. Snyder, jms at mis.arizona.edu
=======================================================================
Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam at sbcglobal.net