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Re: time zone and UTC issue [rant]



On Wed, 2012-11-28 at 19:12 +0100, Ralf Mardorf wrote:
> On Wed, 2012-11-28 at 11:48 -0600, green wrote:
> > Ralf Mardorf wrote at 2012-11-28 11:04 -0600:
> > > If I save BIOS settings as a file and the hwclock is set to UTC, the
> > > files don't get the German time. The BIOS is the BIOS, it's neither
> > > Windows, I don't use Windows, but nor the BIOS is Linux, so Linux can't
> > > "translate" UTC to local time, when I save BIOS settings.
> > > 
> > > Under Linux I never noticed any disadvantage, when the hwclock is set to
> > > local time. Why should there be issues?
> > 
> > Linux uses UTC.  Local time is always changing based on time zones and 
> > daylight saving time.  Using UTC for the hardware clock (BIOS clock) is the 
> > correct way and works.  If you are having trouble with using UTC for the 
> > hardware clock, then it is probably because (1) Windows (if you dual boot) is 
> > changing the time, or (2) you have (or someone/something has) configured 
> > Linux to use local time for the hardware clock, which is possible though not 
> > recommended.
> 
> In the sentence from me above I've wrtten taht I don't use Windows.
> 
> I haven't written that I would get issues when using UTC, but I also
> don't get issues, when I'm using local time.
> 
> Nobody did explain how the BIOS should save files with German time, if
> the clock is set to UTC.
> 
> Again, some people have a BIOS and do use it ;). Some people save BIOS
> settings to e.g. USB. No Linux, no Windows, it's just the BIOS.
> 
> If the clock does use local time, then the time for all BIOS and all
> Linux files are ok.
> 
> If the clock is set to local time, then the time for the BIOS files is
              IS NOT SET oops, a typo ;)
> wrong, only the files for Linux are ok.
> 
> So, what is better?
> 
> All files have the wanted, correct time or just Linux files have the
> correct time?
> 
> Don't mention Windows again and again.
> 
> Do you have a BIOS or have you some magic Linux replacement for the
> BIOS?
> 
> Regards,
> Ralf



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