[9fans] dst shift is shifty

[quanstro@labs.coraid.com (erik quanstrom)]

> Attached is a trivial timezone file dumper I wrote this morning before
> the benefit of coffee.  When I examine the output of runs against
> *_Pacific (the system's and Eric's new Canada_*) it strikes me that
> the time shifts are happening at UTC time rather than the local
> timezone offset.  E.g., here is a sample of
> /adm/timezone/Canada_Pacific:
> 
>                          PST	                         PDT
> Sun Apr 26 02:00:00 GMT 1970	Sun Oct 25 01:00:00 GMT 1970
> Sun Apr 25 02:00:00 GMT 1971	Sun Oct 31 01:00:00 GMT 1971
> Sun Apr 30 02:00:00 GMT 1972	Sun Oct 29 01:00:00 GMT 1972
> Sun Apr 29 02:00:00 GMT 1973	Sun Oct 28 01:00:00 GMT 1973
> Sun Apr 28 02:00:00 GMT 1974	Sun Oct 27 01:00:00 GMT 1974
> 
> Should these not be taking place either seven or eight hours later
> according to GMT?  (I.e.  0200 PST, 0200 PDT) Am I misinterpreting the
> values in the timezone files?

i'll take another look.  i thought i worked this out for the us timezones,
and while confusing, i thought everything was working.

- erik