Hold MENU, and select Settings > System > Time. Time Format. Sets the device to show time in a 12-hour, 24-hour, or military format. Set Time. Sets the time zone for the device. The Auto option sets the time zone automatically based on your GPS position. Time. Allows you to adjust the time if it is set to the Manual option. Alerts
Here's the thread from earlier this year. to save you trawling through it delete your timezone map and leave it outside for a bit. Also note that the manual is wrong for the 830 and the…. I've seen this on devices only used indoors, happened on my 1030. I might have an old support case or forum thread about it, will look.Select the Auto option in the time settings ( Device Settings). Confirm that your computer or smartphone displays the correct local time. Sync your device to a computer ( Syncing Your Data with Your Computer). Sync your device to a smartphone ( Syncing Your Data with the Garmin Connect App). The time and date are updated automatically.
Confirm that your computer or mobile device displays the correct local time. Select an option: Synchronize your device to a computer ( Syncing Your Data with Your Computer ). Synchronize your device to a mobile device ( Syncing Your Data with the Garmin Connect Mobile App ). The time and date are updated automatically. Troubleshooting.