Why and when storing local time?

Jeroen van Meeuwen (Kolab Systems) vanmeeuwen at kolabsys.com
Tue Apr 5 16:24:23 CEST 2011

Florian v. Samson wrote:
> Jeroen,
> Am Dienstag, 5. April 2011 um 15:28:23 schrieb Jeroen van Meeuwen (Kolab
> Systems):
> > Florian v. Samson wrote:
> > > Am Dienstag, 5. April 2011 um 12:35:42 schrieb Jeroen van Meeuwen
> > > (Kolab Systems):
> > > 
> > > This is still at most two TZs (and that was the point I intended to get
> > > across).
> > 
> > I'm regularly on flights that invoke presence on the ground in 4-5
> > timezones.
> Well, each flight has a single start- and end-date.
> > CWL -> AMS -> MSP -> PHX and back, for example, was a trip as recent as
> > late last January / early last February.
> I strongly believe we should not expand an event to have more than just a
> single start- and end-date, which may recur regularly.  Metadata
> (creation-time, modification-time, etc.) is in a different realm (but items
> existing only once in a Kolab-object as well).
> Multiple, arbitrary time-ranges must be modelled with independent events,
> IMO, and I think that is more or less the "natural" way of modelling this.

Agreed, either the complete trip or every separate stage during such trip are 
events with one start and one end, and that's how it should be.

I was merely indicating a single event can be perceived to have multiple sub-
events - whether rightfully so or not - marking someone as unavailable during 
travel versus that person pushing out their itinerary to their Calendar... two 
different yet purposeful things.

Kind regards,

Jeroen van Meeuwen

Senior Engineer, Kolab Systems AG

e: vanmeeuwen at kolabsys.com
t: +316 42 801 403
w: http://www.kolabsys.com

pgp: 9342 BF08
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