> I'm making some Date Calculaton class with things like > deltaDays, addDays, daysInYear and so on, above the calendar > and time classes. After some 300 lines I thought, I better > ask, whether that has already been done by someone else. Yeah, look at: http://starship.skyport.net/~lemburg/ for mxDateTime. Avery nice package, other interesting stuff there too. Bob