Final answer:
To display the clock on the iPhone lock screen, go to settings, select 'Display & Brightness', and enable the 'Clock' option under 'Lock Screen'.
Step-by-step explanation:
To display the clock on the iPhone lock screen, follow these steps:
- Go to your iPhone settings.
- Scroll down and tap on 'Display & Brightness'.
- Under 'Lock Screen', toggle on the 'Clock' option.
Once you have enabled the clock on the lock screen, you will see the time displayed on your iPhone's lock screen. To display a clock on the iPhone lock screen, you don't need to purchase any additional apps. The iPhone's lock screen always displays the time by default. If the clock is missing, it could be a glitch, and you may need to restart your iPhone. However, if you're interested in astronomy and looking for apps that can show the positions and features of the moons of Jupiter and Saturn for any selected date, there are specialized apps available on the App Store that you can purchase for your iPhone or iPad.