Select the Home icon in the upper-right corner of the desktop home screen.

Tap the Apps icon in the Apps screen.

Choose the Settings icon in the Settings screen. Tap to select Date & Time in the Date & Time screen.

Tap Set date to change the displayed date.

Tap Set time to change the displayed time. Once all desired changes have been made, tap Set.

Tap Select time zone to change the displayed time.

Use 24-hour format to have the time displayed in the 24-hour (military time) format.

Select date format to change the format in which the date is displayed.