[Kde-pim] Timezone, all day events

[Bruno Virlet]

Hello,

On Friday 17 August 2007 13:05:43 you wrote:
> >> AFAICS, RFC2445 DATE values can't have time zone information associated,
> >> unlike DATE-TIME values.
There is most probably a problem concerning timezone with all-day events.
As David told me by mail, RFC2445 (4.3.4) specifies that DATE values in ical 
files cannot have a timezone info associated, unlike DATE-TIME values. I also 
understand the RFC this way.

This leads to a problem when the user specifies an all-day event. Which 
timezone should be used in this case ? 

Eg.: I add a all-day event when I'm in America, July 10th. It appears on July 
10th. If then I set KOrganizer prefs to show Europe/Paris TZ, the event will 
also appear on July 10th. Incorrect behavior.

We face there a problem with all-day events.

> If I am indeed correct, the only solution I can see is to add a custom
> field to hold the time zone. But that obviously wouldn't be interoperable
> with other organisers.
David proposed to add a custom field to store the timezone info, without 
compatibility with other applications... I don't really like this idea.

I had a quick look at evolution and it suffers the same problem (if you have 
an all-day event, it will always show on the same day)


Any feedback appreaciated !

Bruno
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