Tap Settings.

Tap General.

Tap Date & Time.

Choose one of the following options:
Turn automatic date and time update on or off, go to 2a.
Select time zone, go to 2b.
Set the date, go to 2c.
Set the time, go to 2d.

Tap the indicator next to Set Automatically.
Depending on the current setting, the function is turned on or off.

Tap Time Zone.
Key in the name of the required city.
Results matching what you key in are displayed.

Tap the required time zone.

Tap Set Date & Time.

Tap the date.

Drag the wheels to set the date.

Tap Set Date & Time to go back to the settings.

Tap Set Date & Time.

Tap the time.

Drag the wheels to set the time.

Tap Set Date & Time to go back to the settings.

Tap the Home key to return to standby mode.