Could you paste your jsf code. There is a problem with f:convertDateTime converter. It doest not use the server encoding, but the default GMT. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4036210#4036210 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4036210