You can change your clock’s settings, including the date, time, and time zone. You can set how your alarms and timers work, and add clocks for other cities. Change time and time zone Open your device's Clock app . Tap More Settings . To pick your home time zone: Tap Home time zone . To add a clock for home while in another time zone: Turn on Automatic home clock . To automatically update the time: Tap Change date and time . Turn Automatic date and time on. To set a time zone automatically: Tap Change date and time . Under “Time zone,” turn Automatic time zone on. To pick your home time zone: Tap Home time zone . To add a clock for home while in another time zone: Turn on Automatic home clock . To automatically update the time: Tap Change date and time . Turn Automatic date and time on. To set a time zone automatically: Tap Change date and time . Under “Time zone,” turn Automatic time zone on. Your device may use location to determine your time zone. If “Use location” is turned off, your device location won’t be used to detect your timezone. If “Use location” is turned on, your device location may be used to detect your timezone. If “Use location” is turned off, your device location won’t be used to detect your timezone. If “Use location” is turned on, your device location may be used to detect your timezone. Some devices only support using location to set the time zone, like Wifi-only tablets. These don’t have a "Use location" setting. To set a time zone manually: Tap Change date & time Time zone . If present: Turn off Set automatically . Tap Time zone and select your time zone. If present: Turn off Set automatically . Tap Time zone and select your time zone. Tip : Only some devices let you automatically set the time zone. Change alarm settings Open your device's Clock app . Tap More Settings . Under "Alarms": Choose how long your alarm rings: Tap Silence after . Choose how long "snoozing" delays an alarm: Tap Snooze length . Change your alarm’s volume: Use the "Alarm volume" slider. Have an alarm become louder over time: Tap Gradually increase volume . Choose what the volume buttons do: Tap Volume buttons . They can control volume, snooze an alarm, or dismiss an alarm. Pick what day your week starts on: Tap Start week on . Choose how long your alarm rings: Tap Silence after . Choose how long "snoozing" delays an alarm: Tap Snooze length .

Change your alarm’s volume: Use the "Alarm volume" slider. Have an alarm become louder over time: Tap Gradually increase volume . Choose what the volume buttons do: Tap Volume buttons . They can control volume, snooze an alarm, or dismiss an alarm. Pick what day your week starts on: Tap Start week on . Change timer settings Open your device's Clock app . Tap More Settings . Under "Timers": Pick the ringtone that plays when the timer ends: Tap Timer sound . Make the timer sound become louder over time, Tap Gradually increase volume . Have the timer vibrate: Tap Timer vibrate . Pick the ringtone that plays when the timer ends: Tap Timer sound . Make the timer sound become louder over time, Tap Gradually increase volume . Have the timer vibrate: Tap Timer vibrate . Tip: Not all devices have a timer vibrate option. Add clocks for other cities Open your device's Clock app . Tap World Clock . At the bottom, tap Add . Type the name of a city in the search bar, then tap the city you want to add. Reorder a city: Touch and hold a city, then move it up or down in the list. Delete a city: Swipe to the left or right on the city you want to delete. Reorder a city: Touch and hold a city, then move it up or down in the list. Delete a city: Swipe to the left or right on the city you want to delete. Related resources Set, cancel or snooze alarms on your Android device Set, cancel or snooze alarms on your Android device Change your clock's display