Mismapping of Mountain Time

uname -a
Linux hemingway 2.6.32-25-server #44-Ubuntu SMP Fri Sep 17 21:13:39 UTC
2010 x86_64 GNU/Linux

date
Thu Mar 3 15:30:17 MST 2011

ls -l localtime
lrwxrwxrwx 1 root root 31 2010-10-18 08:20 localtime ->
/usr/share/zoneinfo/US/Mountain

postgres=# select * from pg_settings where name = 'TimeZone';
-[ RECORD 1 ]---------------------------------------------------------------
name | TimeZone
setting | Navajo
unit |
category | Client Connection Defaults / Locale and Formatting
short_desc | Sets the time zone for displaying and interpreting time stamps.
extra_desc |
context | user
vartype | string
source | command line
min_val |
max_val |
enumvals |
boot_val | UNKNOWN
reset_val | Navajo
sourcefile |
sourceline |

Version 8.4.7.

There is actually a time zone "Navajo", which is a *separate* time zone
from US/Mountain. Ideas on how this happened?

--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com