[TriLUG] redhat & daylight savings time

[Jeremy Portzer]

On Tue, 2002-10-29 at 15:27, John Beimler wrote:
> Jeremy Portzer wrote:
> > It doesn't always work, though (and the preferred setting is something
> > like America/New_York , not est5edt).  I had the exact same problem on
> > my RHL 8 system.  I wonder if the "fall back" only works if the system
> > is running when the time change occurs?  All of my running systems fell
> > back properly.  My laptop which was not running required a manual
> > change.
> 
> It may have to do with your hardware clock too.  I have all my hardware
> clocks set to UTC on my Linux boxes, so it always has to do some sort of
> math to figure out the local time.  I don't see any reason why not to do
> that unless your system is running Windows too.  That may be why the
> time never fell back, the system was afraid that something else had
> already manipulated the hardware clock and set the "correct" time.

I see now why it makes much more sense to always have the hardware clock
on UTC.  Then there would be no necessity to change the hardware clock,
it would just have to change the UTC offset.  Cool.

--Jeremy