Date Countries Switch to/from DST

O'Neil, Bonnie bonnie.oneil at
Mon Feb 7 19:04:41 UTC 2011

Thanks again!
Can I subscribe to this data? I really like the format.
I read all of their usage policies and there really doesn't seem to be any disclaimer (like the one on that disallows screen scraping or subscriptions to the data itself.

Bonnie K. O'Neil
Enterprise Data Architect
Travelport Global Technology Solutions
Office: 303-397-5239
Mobile: 303-725-1737

-----Original Message-----
From: billseymour at [mailto:billseymour at] On Behalf Of Bill Seymour
Sent: Saturday, February 05, 2011 6:25 AM
To: tz at
Subject: Re: Date Countries Switch to/from DST

On Fri, Feb 4, 2011 at 5:44 PM, O'Neil, Bonnie
<bonnie.oneil at> wrote:
> Guy,
> You are right.
> As we understand it, countries may make an announcement that they will
> be observing DST this year on such and such a date.  What we need is to
> keep track of these pronouncements as they relate to our flight
> schedules.

You might find that such announcements arrive more quickly at

I say that because a fellow named Steffen Thorsen often provides this list
with links to pages that, in turn, provide links to original
source documents.


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