On Sun, Apr 11, 2004 at 00:01:42 -0700,
CSN <cool_screen_name90001(at)yahoo(dot)com> wrote:
>
> timezone in postgresql.conf was set to MST. Setting it
> to MDT gave this error:
>
> LOG: unrecognized time zone name: "MDT"
> FATAL: invalid value for parameter "timezone": "MDT"
I think setting the timezone to MST accounts for your problem.
If you want to switch timezones at the DST boundaries, I think
you want to use a timezone of "MST7MDT".