Product : Galaxy Tab > Wi-Fi Tabs > GT-P7310/M16
Follow the instructions below to change the date/time on your Galaxy Player:
Note: Only carrier Tablets have the option to use network provided time and date. WI-FI tablets do not have this feature.
Note: If you would like to use a 24-hour time format, tap on Use 24-hour format. When this option has a green check mark, this option is on. If there is not a check mark, this option is off.