[Tickets #15027] Re: Task synchronization from DavX5 causes DTSTART rewrite to UTC

[noreply at bugs.horde.org]

BITTE NICHT AUF DIESE NACHRICHT ANTWORTEN. NACHRICHTEN AN DIESE  
E-MAIL-ADRESSE WERDEN NICHT GELESEN.

Ticket-URL: https://bugs.horde.org/ticket/15027
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  Ticket           | 15027
  Aktualisiert Von | "Ralf Lang (B1 Systems GmbH)" <lang at b1-systems.de>
  Zusammenfassung  | Task synchronization from DavX5 causes DTSTART rewrite
                   | to UTC
  Warteschlange    | Horde Groupware
  Version          | 5.2.22
  Typ              | Bug
  Status           | Unconfirmed
  Priorität        | 2. Medium
  Milestone        |
  Patch            |
  Zuständige       |
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"Ralf Lang (B1 Systems GmbH)" <lang at b1-systems.de> (2021-04-19 11:15)  
hat geschrieben:

Horde does not save tasks as caldav vtodo components.

It rewrites the whole task caldav item from database content. The  
database does not currently save the event's timezone(s).

So it reads in DTSTART;TZID=Europe/Vienna:20200722T160000 and saves  
that - correctly, if I understand your report.
And it writes out DTSTART:20200722T140000Z, which is also correct.
This is form 2 https://tools.ietf.org/html/rfc5545#section-3.3.5