Learn how to use your phone clock and calendar.
Change the time and date
Select Menu > Settings and Date and time.
Change the time zone when travelling
Select Date & time settings > Time zone: .
Select the time zone of your location.
The time and date are set according to the time zone. This makes sure that your phone displays the correct sending time of received text or multimedia messages.
For example, GMT +8 denotes the time zone for Singapore, Malaysia, and Philippines, 8 hours east of Greenwich, London (UK).
See Set an alarm .