How to display the time at corner in lock screen in stock Android mobile?

1. From the Home screen, tap Apps  > Settings  > Lock screen > Clocks & shortcuts.
2. Swipe (or flick) your finger left or right to select the clock you want to display on the lock screen.
3. Tap the shortcut icon you want to change and choose the icon you want to display on the lock screen. Then, the previous icon changes to the icon you selected for a shortcut.
4. Tap Save.