Apple iPhone 4s - Clock; Clock at a glance

Clock at a glance
The first clock displays the time based on your location when you set up iPhone. Add other
clocks to show the time in other major cities and time zones.
Ask Siri. Say something like:
“What time is it?”
“What time is it in London?”
Alarms and timers
Want iPhone to wake you? Tap Alarm, then tap . Set your wake-up time and other
options, then give the alarm a name (like “Good morning”).
Clock