Date Countries Switch to/from DST

Bill Seymour stdbill.h at
Fri Feb 4 21:28:58 UTC 2011

On Fri, Feb 4, 2011 at 11:15 AM, O'Neil, Bonnie
<bonnie.oneil at> wrote:
> Hello list,
> I am also a Timezone newbie.
> I need to get a dump of the tz database for all countries in the world,
> which timezone they are in, and what date they switch on/off DST.  I’m not
> interested in getting real time dates; I just need a refresh of the database
> periodically.

You can download the tz database at .

Mostly for my own benefit, I wrote a little paper about how to read tz's
source files: .

Hope that helps,


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