Re: POSIX TS spec reverses the meaning of TZ offset compared to ISO

[Heinz Tuechler]

tomas@tuxteam.de wrote/hat geschrieben on/am 02.02.2023 09:33:
> On Thu, Feb 02, 2023 at 08:45:51AM +0100, Heinz Tuechler wrote:
> > Max Nikulin wrote/hat geschrieben on/am 02.02.2023 04:22:
> > > On 02/02/2023 04:57, Heinz Tuechler wrote:
> > > > My impression is that many of non experts like me don't
> > > > know in which time zone they are living.
> > >
> > > For you own time zone: Open Development tools in a browser ([F12]),
> > > switch to console, type
> > >
> > >      new Intl.DateTimeFormat().resolvedOptions().timeZone
> >
> > Thank you, Max.
> > It seems to me that this shows the time zone I selected at set up of the
> > computer, in my case Europe/Berlin. Using package lutz in R with correct
> > coordinates I see Europe/Vienna, based on open street map.
> > Days ago I did not even know that Berlin and Vienna are in different
> > time zones.
>
> Vienna is special :)

Not sure, in
https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
Europe/Vienna is listed as a canonical TZ database name.

> But no: there's no /usr/share/zoneinfo/Europe/Vienna. I think what you
> are seeing is just a trick to improve "User Experience".
Searching for /usr/share/zoneinfo/Europe/Vienna
with startpage.com I see it e.g. in
https://packages.ubuntu.com/focal/all/tzdata/filelist or
https://www.apt-browse.org/browse/debian/wheezy/main/all/tzdata/2016d-0+deb7u1/file/usr/share/zoneinfo/Europe

> Cheers