Re: [gentoo-user] Re: Winter clock change did not happen

[Mick <michaelkintzios@gmail.com>]

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On Sunday 31 October 2010 16:02:14 Nuno J. Silva wrote:
> Mick <michaelkintzios@gmail.com> writes:
> > On Sunday 31 October 2010 13:29:20 Nuno J. Silva wrote:
> >> Mick <michaelkintzios@gmail.com> writes:
> >> > On Sunday 31 October 2010 10:05:15 Peter Humphrey wrote:
> >> >> On Sunday 31 October 2010 09:34:25 Alan McKinnon wrote:
> >> >> > All my calendars (electronic and dead-tree) tell me that daylight
> >> >> > savings switches at the END of today not at the beginning
> >> >> 
> >> >> That's not true in the UK: the switch is done at 02:00 on the Sunday.
> >> >> My Gentoo and Ubuntu boxes have switched to GMT correctly this
> >> >> morning, and so has the radio-synchronised clock on the kitchen
> >> >> wall.
> >> >> 
> >> >> I think Mick does have a problem in his Gentoo setup.
> >> >> 
> >> >  :-(
> >> > 
> >> > Thanks Peter, do you dual boot with MSWindows?
> >> > 
> >> > I've noticed this problem on two different boxen, both of them dual
> >> > boot with MSWindows.  A Gentoo only box of mine switched over to
> >> > winter time correctly - so it must be my dual boot set up that is
> >> > causing this problem.
> >> 
> >> It is a problem caused by the settings needed for Linux to live with
> >> Windows on the same computer.
> > 
> > Is there a fix?  I thought that the setting of CLOCK="local" in
> > /etc/conf.d/clock was to address the problem of having to dual boot with
> > MSWindows.
> 
> That is the setting I was talking about (I wonder why I said
> "setting*s*" before, sorry for that).
> 
> It is used to address the problem that Windows expects the hardware
> clock to have the local time value (hence "local"), that is, what you
> see when you ask the computer what time is it. Because the usual setting
> is UTC, that is, time with no timezone and/or DST "shift" - GNU/linux
> does the math and shows you your local time. Local time clock forces you
> (or the OS) to change it every time there is some DST change.

I think I am getting confused, so why didn't Gentoo change the clock to winter 
time until after I booted into MSWindows?

> In other words, that makes linux use the hardware clock the same way
> windows uses it.

MSWindows changed it to winter time when I eventually booted into it.  Gentoo 
wouldn't show the winter time until I had first booted into MSWindows.  If the 
setting CLOCK="local" is meant to make Gentoo use the hardware clock like 
MSWindows does, why it did not behave the same as MSWindows with the DST 
change?
-- 
Regards,
Mick

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