It looks like the design of :timezone was changed shortly after this bug report
was submitted: https://github.com/perl6/specs/commit/5692ced333
The current implementation matches the design docs (timezone is offset from UTC
in seconds; is Int supports .Int method; default value for timezone is 0).
$ date; perl6-m -e 'sub hms($_) { sprintf "%02d:%02d:%02d", .hour, .minute,
.second }; say hms(DateTime.now); say hms(DateTime.now(:timezone(-9))); say
hms(DateTime.now(:timezone<-0900>)); say hms(DateTime.now(:timezone))' ##
command line needs more than 1 second to execute
Sun Sep 13 19:06:29 CEST 2015
19:06:29
17:06:20
16:51:29
17:06:30
I'm closing this ticket as 'rejected'. Please reopen if I'm missing something.