John Smithus <smithus(dot)john(at)gmail(dot)com> writes:
> [ 'HADT' is not recognized as a timezone abbreviation ]
> The server is running PostgreSQL 8.3.7 on an AMD64 Gentoo Linux
> machine. The system time zone is set to 'America/Adak' and datestyle
> is set to 'sql, mdy' in postgresql.conf.
Not every timezone abbreviation in the world is recognized by default.
You'll want to add HADT, as well as whatever the standard-time abbreviation
for that zone is, to Postgres's list of recognized abbreviations. See
http://www.postgresql.org/docs/8.3/static/datetime-config-files.html
regards, tom lane