On Tue, Jan 31, 2023 at 11:12:00PM +0300, Jean Louis wrote:
> * Ihor Radchenko <yantar92@posteo.net> [2023-01-31 16:46]:
> > Specifying just @Europe/Berlin is ambiguous around the daylight savings
> > transition.
> 
> Sorry, I cannot see practical example why is it ambiguous. Unless
> programmer does not take all information in account, it is not
> ambigous. People on this planet agree on time zones in advance, so
> there are few changes that people cannot plan in advance.

(snipped the huge CC list)

Either I understand you wrong, or you don't know what you are
talking about. 2023-03-23 02:30 @Europe/Berlin refers to /two/
points in time, thus it /is/ ambiguous. If you use disambiguating
"time zones" (MEZ vs MESZ in this case) you can resolve that.

Cheers
-- 
t