Hi list, I experiment something strange : mac OS X 10.3.5 : French sytem : short system date is dd/mm/yy Rev 2.5 on mouseUp put "1999,1,9,0,0,0,0" into tDate convert tDate to short system date answer tDate end mouseUp I get : 08/01/99" with rev 2.2 I get : 09/01/99 : that's correct !! any idea ??? Greetings. Yves COPPE yvescoppe at skynet.be