Apps and features129WORLD CLOCKLaunch the Clock app and tap WORLD CLOCK.Creating clocksTap , enter a city name or select a city from the globe, and then tap ADD.Deleting clocksTap and hold a clock, tick clocks to delete, and then tap DELETE.STOPWATCH1 Launch the Clock app and tap STOPWATCH.2 Tap START to time an event.To record lap times while timing an event, tap LAP.3 Tap STOP to stop timing.To restart the timing, tap RESUME.To clear lap times, tap RESET.

Samsung SM-T837P User Manual