From: ruud grosmann Date: 2008-07-10T19:24:16+09:00 Subject: Re: class methods > class MadDate < Date > def toDDMMYYYY(sep = "/") > strftime(%d%m%Y") > end > end > > class Main > def self.show > d = Date.today > d.toDDMMYYYY("-") > end > end > hi Nando, since your extended class is a MadDate, you should create a MadDate-object, not a Date-object. Ruud