Re: Daylight saving time changes

From: TJ (tjatari_at_dreamscape.com)
Date: 11/01/05 

Date: Mon, 31 Oct 2005 22:24:00 -0500

Moe Trin wrote:
> In the Usenet newsgroup alt.os.linux, in article
> <%239f.814$ZA3.186370@monger.newsread.com>, Bruce Coryell wrote:
>
>
>>Well, EDT ended last night, and the first thing I did this morning was
>>fire up my Fedora box to see how it handled the time change - NOT!
>
>
> Details - what have you told the operating system about the hardware
> clock? Most probably, you told it that the clock is set to "local time"
> and the kernel believed you. Had you set the clock to UTC, you wouldn't
> have a problem with Linux - of course, windoze would be wrong, but...
>
>
>>I was disappointed to see that, insofar that Windows has had this
>>capability ever since Win95, over ten years now.
>
>
> The reason you probably have it set to "local time" is that you have
> two operating systems, and windoze doesn't like the idea of a hardware
> clock set to UTC. *nix knew about time zones and daylight savings time
> before Bill started playing at writing his crap Basic - several years
> before he bought QDOS from Seattle Computer Products to have an O/S to
> sell to IBM as "MS-DOS version 1.0".
>
>
>>Are there any distros out there that do have the daylight savings
>>time adjustment capability?
>
>
> ALL of them - but the system has to be configured for it.
>
>
>>Of course, this is all going to change anyway in 2007 when the energy
>>savings bill goes into effect...
>
>
> My system knew about that change about three months ago. Are you keeping
> your system updated? The specific rule change from time.2005m
>
> Rule US 1967 2006 - Oct lastSun 2:00 0 S
> Rule US 1987 2006 - Apr Sun>=1 2:00 1:00 D
> Rule US 2007 max - Mar Sun>=8 2:00 1:00 D
> Rule US 2007 max - Nov Sun>=1 2:00 0 S
>
> In case you are wondering, that timezone file is from NIH.gov and is used
> by all UNIX in addition to Linux, *BSD, and Mac OSX. Windoze makes their
> own interpretation, because they know better.
>
> Old guy
Anybody want to place any bets that the US Congress won't muck around
with it again before the new rules take effect? I have other clocks that
must be set manually - I have no problem with doing the same with my
computer. Makes me feel useful...

TJ

Relevant Pages

  • Re: D3 & Linux time does not match
    ... Updates the hardware real-time clock, ... to be adjusted manually when daylight savings goes into effect. ... I have no idea how this is happening but I'm guessing the Linux clock ... No AIX, & no virtual machine. ...
    (comp.databases.pick)
  • Re: move document up or down 1 paragraph at a time
    ... wonder why this is happening, because the clock is set to daylight savings, ... to upgrade the Wallstreet Powerbook to OS X, but 10.2 in the best case. ... > Hi Michel, ...
    (microsoft.public.mac.office.word)
  • Re: Clock ALWAYS resetting itself 1 hour ahead
    ... > Daylight Savings to Standard time. ... > recommended by Microsoft to force the Windows clock to synchronize from the ... > the middle of the day the clock resets itself to one hour ahead with no input ...
    (microsoft.public.windowsxp.general)
  • RE: Group policy help
    ... First I exported the TimeZoneInformation registry key. ... the Day Light Savings time and verified the changes on the clock (set ... Subject: Group policy help ... >>users do not check the daylight savings box. ...
    (Security-Basics)