How to Enable Dark Mode on iPhone or iPad

Enabling Dark Mode Permanently

Open Settings iPhone Settings App Icon. This app has a settings gear on a gray background.

Choose Display and Brightness. This option has two letter A's as its icon.

Choose Dark. This will make all apps that support dark mode dark immediately. Some apps do not support dark mode, in which case you can find the dark mode in the app settings menu. Choose "Use system theme" or "Dark" in the app's settings.

Scheduling Dark Mode

Open Settings iPhone Settings App Icon. This app has a settings gear on a gray background.

Choose Display and Brightness. This option has two letter A's as its icon.

Toggle "Automatic" to iPhone Switch On Icon. This will schedule dark mode when the sun sets and turn it off when the sun rises.

Choose Options to change the on/off times.

Tap on Custom schedule. This will allow you to set a custom dark mode schedule.

Tap on the times to change the custom schedule. After tapping this time, choose the times when you want dark mode to turn on and off.

Adding Dark Mode to Control Center

Open Settings iPhone Settings App Icon. This app has a settings gear on a gray background.

Choose Control Center. This option has two switches as its icon.

Tap on the + by "Dark mode". This will add dark mode to your control center. You can use the ≣ to change the button's place in the control center.