You can see the time on your Home screens by adding a widget from the Clock app. Add a clock widget Touch and hold any empty section of a Home screen. At the bottom of the screen, tap Widgets.
Put a clock on your Home screen - Clock Help - Google Help
Official Clock Help Center where you can find tips and tutorials on using Clock and other answers to frequently asked questions.
Change your clock's display You can choose how your Clock app looks and how it shows the time.
You can use the Clock app on any Android device running Android 4.4 and up.
You can change your clockâs 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
Set time, date and time zone - Clock Help - Google Help
Clock movement repair techniques and troubleshooting problem area.==> PLEASE POST PHOTOS WHEN ASKING QUESTIONS - We need to see what you're seeing! Clock Hints & Tricks | Clock Parts Wanted