GUIDE · 2026-07-22
How to use the Full-Screen Digital Clock
Display the current time in full screen where everyone can see it. The result follows “Shows the device's current time in your selected 12-hour or 24-hour format” and is designed for situations such as use a classroom monitor as a clock. Inputs are handled immediately in your browser with no account required.
How it works
Shows the device's current time in your selected 12-hour or 24-hour format
Most processing stays in your browser instead of sending inputs to our server. Verify important financial or contractual decisions against an authoritative source.
Useful examples
- Use a classroom monitor as a clock
- Show the current time on an event display
- Turn a tablet into a desk clock
Frequently asked questions
Will the screen stay awake?
When full screen starts, USEOYO requests a screen wake lock on supported browsers. Device settings may still override it.
Can I hide the seconds?
Yes. Toggle seconds and switch between 12-hour and 24-hour time below the clock.