Alexander Farber <alexander.farber@xxxxxxxxx> writes: > sorry for the stupid question, but why has the week number changed > from 44 to 45 this night? WW is defined as starting the first week on the first day of the year. 2010 started on a Friday so the week number increments on Fridays. There are some other format codes with different behavior ... regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general