Joe I too use Skymap Pro and My time agree with Aj's to within 4 minutes. I'd say the difference is I'v e input AZ -city as a location, AJ may be using a generic location. Are you sure you have DST turned off? Go to the Observing location button and make sure the DST box is toggled off. Rick In a message dated 10/12/2002 15:52:46 US Mountain Standard Time, joe01@xxxxxxxxxxxx writes: > Thanks, AJ > > An interesting note, I use SkyMap Pro and it has the moon rise/set times > over an hour > different than your Guide 8. Huh? Rick Tejera Editor SACnews Saguaro Astronomy Club Phoenix, Arizona SaguaroAstro@xxxxxxx www.saguaroastro.org