[Eug-lug] Daylight Savings as of 2007

[Michael Miller]

I'm thinking of converting my servers to all use UTC.  That way I
don't have to worry about local time zone settings.  Well other than
user profile time zone settings.

-Miller

On 2/16/07, Fred James <fredjame at fredjame.cnc.net> wrote:
> Matthew Jarvis wrote:
>
> > Bob Miller wrote:
> >
> >> Matthew Jarvis wrote:
> >>
> >>
> >>> That's what I would have thought, but I also don't recall having to
> >>> deal with DST as it went on/off...
> >>>
> >>> Better check my OS patches....
> >>
> >>
> >>
> >> Here's the easiest way to check.
> >>
> >>     $ date --date=3/12/2007
> >>     Mon Mar 12 00:00:00 PDT 2007
> >>
> >> See where it says "PDT"?  This system is up to date.
> >>
> >
> > Revisiting this as time draws near...
> >
> > My servers here at the office aren't updated with the revised stuff...
> > however, my offsite webserver is....
> >
> > Using this URL/thread as a guide:
> >
> > http://www.linuxquestions.org/questions/showthread.php?t=518752
> >
> > I seems that one needs to regenerate a file called "EST5EDT" then copy
> > it into place, implying that it is generic.
> >
> > Can I just grab the one off the web server that is correct and copy it
> > to my local servers and just be done with this?
>
> Matthew Jarvis
> Question:  How accurate do your servers have to be?  Is setting them
> manually good, or do you have to sync with some time signal?
> Assuming manual is OK, all that is required is for the hardware clock to
> be set to Univeral time, and then set your TZ environmental variable to
> something like: TZ=CST6CDT5,M3.2.0/2,M11.1.0/2
> Since you are (probably?) in the Pacific time zone, your line would
> read: TZ=PST8PDT7,M3.2.0/2,M11.1.0/2
> That traslates as
> (1) standard time is known as PST with an offset of 8 hours from
> Universal time
> (2) alternate time is known as PDT with an offset of 7 hours from
> Universal time
> (3) alternate time begins at 2:00 AM on the second Sunday of March
> (4) alternate time ends at 2:00 AM on the first Sunday of November
> ... and that is what the new rule says it should do.
>
> If your system supports the file /etc/TIMEZONE, put that line in there
> If your system does not support that file, put it in /etc/profile (at
> the end of the file), followed by a line that says:  export TZ
> In either case, reboot your machine to make it take effect.
>
> Hope that helps
> Regards
> Fred James
>
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