From: ts Date: 2003-12-10T22:24:41+09:00 Subject: Re: ruby 1.8.0: Error on "%02d" % "08" or "%02d" % "09" >>>>> "T" == Thomas Link writes: T> "%02d" % "08" it think that you are trying to give it an octal number, try "%02d" % "08".to_i T> "%02d" % "09" Guy Decoux