Useful apps and features97World clockOn the Apps screen, tap Clock → World clock.Creating clocksTap and enter a city name or select a city from the cities list.To apply summer time, tap and hold a clock, and then tap .Deleting clocksTap → Delete, select clocks, and then tap Done.StopwatchOn the Apps screen, tap Clock → Stopwatch.Tap Start to time an event. Tap Lap to record lap times.Tap Stop to stop timing. To clear lap times, tap Reset.To set the device to dim the screen during laps, tap → Settings → Keep screen dimmed.TimerOn the Apps screen, tap Clock → Timer.Set the duration, and then tap Start.Drag outside the large circle when the timer goes off.To change the alarm ringtone settings, tap → Settings.