"Carlos H. Reimer" <carlos.reimer@xxxxxxxxxxxxx> writes: > How can we explain the 01:00:00 hour that the to_date function returns for > date 15/10/2006? You haven't fixed your configuration and your machine is considering that you're in DST. Lots of machines here in Brazil that weren't updated / fixed by their administrators are showing this problem. -- Jorge Godoy <jgodoy@xxxxxxxxx>