The RiseSet Application is a program for the Palm Handheld to compute the rise, transit and set times for the Sun and the Moon. Any date and user location may be specified. The programs stores three locations for quick access to favorite locations on the earth. RiseSet has good accuracy for visual sighting. The actual sun times should be within a few seconds of the time shown. The moon times are given to the second, but the actual time could be a minute.