UPDATE: KEP 2: Modification of datetime: store local time, add 'tz' attribute (revision #10743)

[Georg C. F. Greve]

On Wednesday 26 January 2011 18.46:29 Shawn Walker wrote:
> I thought I bump this response from Joon. 

It would be great if you could maybe look at the response to the bumped mail:

	http://kolab.org/pipermail/kolab-format/2011-January/001200.html

The mapping between local time and UTC is ambiguous, as explained in the KEP. 

So the only thing that is certain is that Outlook does not handle this 
strictly according to UTC, even if the documentation may say that.

The reason is that if it did, there would be no way to specify "11am every 
Tuesday all year" in Outlook, the meeting would jump one hour at the DST 
boundary. I don't think that is how Outlook behaves.

So we'll need to figure out what Outlook actually does.

I suspect it tries some "smart" compensation for DST, so we should figure out 
what it actually does by feeding it a couple of recurrences with different 
times with DST in effect or not. Could you help with that?

Best regards,
Georg


-- 
Georg C. F. Greve
Chief Executive Officer

Kolab Systems AG
Zürich, Switzerland

e: greve at kolabsys.com
t: +41 78 904 43 33
w: http://kolabsys.com

pgp: 86574ACA Georg C. F. Greve
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