Find "date+time"
Slide your finger left on the display.
Press Settings.
Press Settings.
Press date+time.
Select time zone
Press the field below "Time zone".
Press the required time zone.
Set the date
Press the field below "Date".
Slide your finger up or down on day, month and year to set the date.
Press the confirm icon.
Set the time
Press the field below "Time".
Slide your finger up or down on hours and minutes to set the time.
Press the confirm icon.
Return to the home screen
Press the Home key to return to the home screen.