US Daylight Savings Time and zoneinfo

Net Llama! netllama
Thu Mar 1 13:37:28 PST 2007

On Thu, 1 Mar 2007, Jason Joines wrote:
> Net Llama! wrote:
>> On Thu, 1 Mar 2007, Jason Joines wrote:
>>>    Daylight savings time is March 11 this year.  I have some really old
>>> boxes that think it's on April 1.  One of these runs a web based
>>> calendaring application so I'm kinda worried about it.  Is it as simple
>>> as replacing my specific timezone file, /usr/share/zoneinfo/US/Central,
>>> with a newer version?
>> Yes, that should be sufficient.  Although you'd prolly be better off in
>> the long term if you kept the tzdata (or equivalent for your distro)
>> package up to date.
>    That would be better.  These are old SuSE boxes that no longer have
> updates ( 9.1 and older ) and are going out of service in the near
> future.  I copied the file from an up to date 10.0 box and zdump
> indicated it worked.  Just seemed to simple.

What I've been recommending to anyone running a distro that isn't 
supported any longer, is to grab the latest tzdata SRPM for their distro 
and rebuilding it so that you've got one that is up to date.  Since tzdata 
is no-arch, rebuilding it should be trivial.

Lonni J Friedman                        netllama at

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