[Tickets #14153] Weekly invitation adds one hour to the start time

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Ticket URL: https://bugs.horde.org/ticket/14153
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  Ticket             | 14153
  Created By         | jose.antonio.calvo at upcnet.es
  Summary            | Weekly invitation adds one hour to the start time
  Queue              | IMP
  Version            | 6.2.11
  Type               | Bug
  State              | Unconfirmed
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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jose.antonio.calvo at upcnet.es (2015-11-04 14:45) wrote:

When creating a weekly event, the mail with the iTip invitation readed  
in IMP 6.2.11 shows it starts one hour later depending on the start  
date.

All the following are weekly events starting at 15:00 and ending at 16:00.

The mail with the invitation readed with IMP 6.2.11 shows the events  
start at 16:00 (that is, one our later) in these starting dates:

- 4-sept-2015
- 3-oct-2015
- 28-march-2016
- 7-apr-2016

This problem occurs when reading the invitation mail with IMP 6.2.11,  
but if the same mails are readed with Thunderbird 38.3, the starting  
hour is correct.

On the contrary, the mail with the invitation shows the events start  
at 15:00 in these starting dates with both IMP 6.2.11 or Thunderbird  
38.3:

- 4-oct-2015
- 27-march-2016
- 2-oct-2016
- 30-oct-2016

I attach a zip with the following screenshots:

- Weekly invitation created with Kronolith 4.2.11, starting at  
3-oct-2015 15:00-16:00 and ending at 31-oct-2015.

- The iTip mail with the invitation as shown in IMP 6.2.11 starting at  
16:00 (one hour later)

- The same iTip mail with the invitation as shown in Thunderbird 38.3  
starting at 15:00.

Note: this problem was reported previuosly in the ticked 14117, which  
is in "No feedback" state. Initially we thought the problem was  
related to Kronolith, but the latest tests appear to reveal that the  
problem is related to IMP.



jose.antonio.calvo at upcnet.es (2015-11-04 14:45) uploaded: test screenshots.rar

https://bugs.horde.org/h/services/download/?app=whups&actionID=download_file&file=test%20screenshots.rar&ticket=14153&fn=%2Ftest%20screenshots.rar