[Users] [Bug 4418] New: add local/"floating" TZ support for time events which do not contain TZID

[Paul Steyn]

I could be wrong, but I suspect you have the time conversion backwards.
14:00GMT is 09:00EST, I think, so without a TZID, I think GMT is
being assumed, and converted to EST, which I'm guessing is what you
have your machine set to.

As far as I can tell, this is wrong for "floating" times, which, as I
understand it, should just display the time as given, as if it were in
your local timezone.

Kind regards


Paul Steyn



On Sat, 05 Dec 2020 18:10:14 +0000
noreply at thewildbeast.co.uk wrote:

> https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4418
> 
>             Bug ID: 4418
>            Summary: add local/"floating" TZ support for time events
> which do not contain TZID
>            Product: Claws Mail (GTK3)
>            Version: GIT
>           Hardware: PC
>                 OS: Windows 10
>             Status: NEW
>           Severity: normal
>           Priority: P3
>          Component: Plugins/vCalendar
>           Assignee: users at lists.claws-mail.org
>           Reporter: pf at pfortin.com
> 
> Incoming ICS data which contains times (ie, DTSTART, DTEND,...)
> without TZID displays the incorrect time.
> 
> eg,:
> >DTSTART:20201207T140000
> >DTEND:20201207T150000  
> displays as 9am to 10am in America/New_York timezone
> BUT...  14:00EST is 19:00GMT, not 09:00GMT which indicates the
> displayed time is off by 2*timezone_offset.
> [Was filing this as an enhancement until I noticed the wrong offset
> from GMT.]
> 
> See local/"floating" in https://tools.ietf.org/html/rfc5545
> 
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