If you render the date control via Ajax (eg. Ajax4JSF) then the format will always be MM/dd/yy. Would this apply to you? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4058769#4058769 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4058769