Turn on Night Mode in Settings

Night Mode on Samsung phones is called Dark Mode or Night Light depending on your model and Android version. The fastest way to turn it on is through your phone's Quick Settings panel — the row of toggles you see when you swipe down from the top of your screen twice.

Swipe down from the top of your screen twice to open the full Quick Settings panel. Look for Dark Mode or Night Light (the icon usually looks like a moon or a half-filled circle). Tap it once to turn it on. Your screen will shift to darker colors when ready.

If you don't see Dark Mode in your Quick Settings, you may need to add it first. Tap the three dots or Edit button at the bottom of the Quick Settings panel, then scroll down and tap the plus sign next to Dark Mode to add it to your quick toggles.

Key Takeaways

  • Dark Mode is the quickest toggle — swipe down twice from the top and tap the moon icon to turn it on when ready.
  • Night Light is a separate feature that adds a warm amber filter and can be scheduled to turn on at sunset automatically.
  • You can set Dark Mode to turn on at a specific time each day through Display settings instead of toggling it manually.
  • Dark Mode works across most Samsung apps and system screens, but some older apps may not support it fully.

Schedule Dark Mode to Turn On Automatically

If you want Dark Mode to set up at the same time every day without tapping it, you can set a schedule. Open Settings, then tap Display. Scroll down and tap Dark Mode.

You will see three options: Off, On, and Scheduled. Tap Scheduled. Your phone will ask you to choose a start time and an end time. Set the start time to when you want Dark Mode to turn on (for example, 9 p.m.) and the end time to when you want it to turn off (for example, 7 a.m.).

Once you save these times, Dark Mode will switch on and off automatically at those hours every day. You can still toggle it manually at any time by using the Quick Settings panel, even if a schedule is active.

Use Night Light for a Warm Screen Filter

Night Light is different from Dark Mode. While Dark Mode darkens the entire interface, Night Light adds a warm amber or orange tint to reduce blue light from your screen. Many people find this easier on the eyes in dim rooms, especially before bed.

To turn on Night Light, swipe down twice from the top and look for Night Light (it may appear as a separate icon from Dark Mode). Tap it to turn it on. You can adjust how strong the filter is by tapping and holding the Night Light toggle, which opens a slider to increase or decrease the warmth.

You can also schedule Night Light the same way you schedule Dark Mode. Go to Settings > Display > Night Light, then tap Scheduled and set your preferred times. Night Light and Dark Mode can both be on at the same time — they work independently.

Adjust Dark Mode Brightness and Contrast

Once Dark Mode is on, you can fine-tune how dark your screen appears. Open Settings and tap Display. Tap Dark Mode again (or Dark Mode Settings if that option appears).

Some Samsung models let you choose between Dark and Darker options. Dark uses a medium gray background, while Darker uses near-black. If you see these choices, pick whichever feels more comfortable for your eyes. The darker option uses slightly less battery power on OLED screens, but the difference is small.

You cannot adjust the exact brightness slider for Dark Mode the way you can with Night Light, but your phone's overall brightness setting still applies. If Dark Mode feels too dim, raise your screen brightness in Settings > Display > Brightness, and the dark interface will brighten proportionally.

Turn Off Dark Mode When You Don't Need It

To turn Dark Mode off, swipe down twice and tap the Dark Mode toggle again. It will switch off when ready and return your screen to the standard light interface. If you have a schedule set, turning it off manually will override the schedule until the next scheduled time arrives.

If you want to remove Dark Mode from your Quick Settings entirely, tap the three dots or Edit button in the Quick Settings panel, find Dark Mode, and tap the minus sign next to it. You can always add it back later using the same Edit menu.

Common Issues and Fixes

If Dark Mode is on but some apps still appear in light mode, those apps may not support Dark Mode yet. This is common with older or less frequently updated apps. Check the app's own settings to see if it has a separate dark theme option. Many apps like Gmail, YouTube, and Chrome have their own dark mode toggles that work independently from your phone's system Dark Mode.

If Dark Mode won't turn on at all, restart your phone first. If that doesn't work, go to Settings > Apps, find Settings in the list, tap it, and select Storage > Clear Cache. This clears temporary files that sometimes interfere with display settings. Do not tap Clear Data, as that will reset all your settings.

If your scheduled Dark Mode isn't working, check that you have set the times correctly and that the Scheduled option is actually selected (not Off or On). Also confirm that your phone's date and time are set correctly — if your phone's clock is wrong, the schedule won't trigger at the right moment.

Frequently Asked Questions

Does Dark Mode save battery on my Samsung phone?

On Samsung phones with OLED screens (Galaxy S and Galaxy Z series), Dark Mode saves a small amount of battery because black pixels use less power than white ones. On phones with LCD screens, Dark Mode makes no difference to battery life. The savings on OLED phones is usually 3 to 5 percent, not dramatic, but it adds up over a full day.

Can I set different Dark Mode schedules for weekdays and weekends?

No, Samsung's built-in Dark Mode scheduler uses the same times every day. If you need different schedules, you can turn Dark Mode on and off manually, or use a third-party automation app like Tasker or IFTTT to create more complex rules. For most people, a single daily schedule works fine.

Why does Dark Mode look different in some apps?

Each app controls its own appearance. When you turn on system Dark Mode, apps that support it switch to their dark theme automatically. Apps that don't support it stay in light mode. Some apps (like Gmail or Spotify) have their own dark mode settings separate from your phone's Dark Mode, so you may need to turn on dark mode inside the app as well.

Can I use both Dark Mode and Night Light at the same time?

Yes. Dark Mode darkens the interface colors, and Night Light adds a warm filter on top. Using both together creates a dark screen with a warm tone, which many people prefer for reading at night. You can turn them on independently or schedule them to work together.