[Korganizer-devel] [Bug 280668] New: Repeating event only calculates timezone once

[Matthew Sherborne]

https://bugs.kde.org/show_bug.cgi?id=280668

           Summary: Repeating event only calculates timezone once
           Product: korganizer
           Version: 4.4.10
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: korganizer-devel at kde.org
        ReportedBy: msherborne at gmail.com


Version:           4.4.10 (using KDE 4.7.0) 
OS:                Linux

If you enter a repeating event in a different time zone, once that other time
zone hits daylight savings time, all the repetitions after that are an hour
out.

In my case, I have my general timezone set to AEST (Brisbane), and add
repeating events for my work in USA central time (Chicago). Once Chicago
changes to/from daylight savings time, events after that are an hour out.

The time zone calculation should be done for each event, not just for the first
one.

In my situation, I work USA hours but live in Brisbane - Australia. On iCal on
mac, I used to just set my alarm in Central time, and the AU time would change
accordingly depending on Central daylight savings settings.

Reproducible: Always

Steps to Reproduce:
Example A:

1. Set Korganizer time zone to AEST (Brisbane).
2. Make a repeating event in USA Central time (Chicago) .. say, every weekday
from 5pm to 1am central time; have that event repeat indefinitely.
3. Scroll forwards on the week view until CST changes to CDT (or vice versa).
You can see the DST change dates here:
http://www.timeanddate.com/worldclock/clockchange.html?n=64

Example B (more vivid):
1. Set the calendar time zone to AEST (Brisbane)
2. Go to Friday November 4th.
3. Add a weekday repeating (forever) event from 5pm-1am Chicago time (USA
Central time). (starting any time before Sunday Nov 6th CDT)
4. Go to Friday November 11th.
5. Add a similar repeating event, but starting any time on or after Sunday Nov
6th.

Actual Results:  
Example A: You'll notice events after that date stick with Brisbane time. 

Example B: Events will be displayed at different times (an hour out) in all
places.

Expected Results:  
Example A: They should move forward or backwards an hour in Brisbane time, so
that they are still 5pm-1am USA Central time.

Example B: The events should display at the same time in the calendar

OS: Linux (x86_64) release 2.6.38-10-generic
Compiler: cc (gnu)

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