Learn how you can show or hide date and time on the lock screen during sleep focus on the iPhone 13 / iPhone 13 Pro.Gears I use:iPhone 13 Pro:
Make sure you turn on location services in your phone settings. Set your home time zone first in the Clock app. From the Home screen, tap > Settings > Date & time. Tap the Travel mode On/Off switch to turn travel mode on or off. You'll see a dual clock of your home and current locations once your phone detects a different time zone from the Unlock your ‌iPhone‌ with Face ID or Touch ID. Press and hold on the Lock Screen. Tap the blue + button, or swipe leftwards all the way to the end and then tap Add New. Select a new wallpaper