"A.M." <amcauley(at)bluesocket(dot)com> writes:
> This works fine until I hit daylight-savings time when the name of
> the timezone changes. So, given a "timestamp with timezone" and a
> base timezone (non-DST), how can I determine if the date is currently
> in DST? Is it possible to get the name of the new DST timezone?
If you are running PG 8.2, the data in the pg_timezone_names and
pg_timezone_abbrevs views might help you.
regards, tom lane