BUG #1749: date_trunc('week', ...) is incorrect for some dates - Mailing list pgsql-bugs

The following bug has been logged online:

Bug reference:      1749
Logged by:          Nick Johnson
Email address:      arachnid@notdot.net
PostgreSQL version: 8.0.3
Operating system:   FreeBSD
Description:        date_trunc('week', ...) is incorrect for some dates
Details:

numa=# SELECT date_trunc('week', '2002-12-31'::date);
       date_trunc
------------------------
 2001-12-31 00:00:00-05
(1 row)

Obviously this isn't the expected behaviour...