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

Summary	Task synchronization from DavX5 causes DTSTART rewrite to UTC
Queue	Horde Groupware
Queue Version	5.2.22
Type	Bug
State	Unconfirmed
Priority	2. Medium
Owners
Requester	horde (at) 2600 (dot) sk
Created	2020-07-22 (179 days ago)
Due
Updated	2020-11-02 (76 days ago)
Assigned
Resolved
Milestone
Patch	No

2020-11-02 10:21:13	horde (at) 2600 (dot) sk	Comment #2	Reply to this comment
Is there any change someone could take a look on this?

2020-07-22 12:36:28	horde (at) 2600 (dot) sk	Comment #1 Type ⇒ Bug State ⇒ Unconfirmed Priority ⇒ 2. Medium Summary ⇒ Task synchronization from DavX5 causes DTSTART rewrite to UTC Queue ⇒ Horde Groupware Milestone ⇒ Patch ⇒ No	Reply to this comment
When synchronizing tasks via CalDAV, Horde rewrites DTSTART of all tasks to UTC and disregards the original timezone, for example: data sent to Horde: ... DTSTART;TZID=Europe/Vienna:20200722T160000 ... gets immediately rewritten to: ... DTSTART:20200722T140000Z ... and then synced back to the external client I don't understand why Horde rewrites the timezone. The timezone set in Horde settings matches the timezone of the external calendar. Is it possible for horde to leave the timezone as is when synchronizing tasks?