[tz] Newbie

M3 Sweatt msweatt at microsoft.com
Fri Oct 21 16:05:54 UTC 2011

All up, please refer to HTTP://www.Microsoft.com/time for more information.
From: Alain Petit
Sent: Friday, October 21, 2011 6:32 AM
To: David Braverman; Thom Hehl; tz at iana.org
Subject: Re: [tz] Newbie

Microsoft also provides timezone updates via hot fixes that you need to download explicitely.

You can find the various notices at
and also


From: David Braverman [mailto:david at braverman.org]
Sent: Friday, October 21, 2011 8:33 AM
To: Thom Hehl; tz at iana.org
Subject: Re: [tz] Newbie

Unfortunately, Windows has no native support for the tzinfo database. The Windows OS family uses a proprietary, registry-based pseudo-database that doesn’t have much historical data—and even then, only on Windows Vista, 7, and 2008. Microsoft updates this data through Windows Update, so if you don’t have that feature enabled, you might show up for all your appointments an hour late during the first week of November. (j/k)

Individual Windows applications may have their own support, however. I’ll let you know about the 3rd-party library I use off-list.

David Braverman

From: tz-bounces at iana.org [mailto:tz-bounces at iana.org] On Behalf Of Thom Hehl
Sent: Friday 21 October 2011 6:52 AM
To: tz at iana.org
Subject: [tz] Newbie

OK, I run my timezone database under windows, so, after a couple of tries, I got the code I downloaded from the TZ database site to compile under windows.

Now what? I looked at the HTML files and there’s no readme or anything else that looks like documentation on how to use it.

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