Guy Fraser <guy@xxxxxxxxxxxx> writes: > On Wed, 2007-03-14 at 12:12 -0400, Tom Lane wrote: >> Is it really 'EST5EDT', or 'est5edt' ? 8.1 is case sensitive about this. > /usr/local/share/postgresql/timezone/EST5EDT > /usr/local/share/postgresql/timezone/SystemV/EST5EDT > /usr/share/zoneinfo/EST5EDT > /usr/share/zoneinfo/SystemV/EST5EDT Yeah, that's why it makes a difference. 'est5edt' doesn't match any of those and so it gets taken as a POSIX-rule timezone spec. regression=# set timezone = 'EST5EDT'; SET regression=# select now(); now ------------------------------- 2007-03-14 12:52:41.798348-04 (1 row) regression=# set timezone = 'est5edt'; SET regression=# select now(); now ------------------------------ 2007-03-14 11:52:46.21214-05 (1 row) regression=# regards, tom lane