Full screen clock
A big, accurate digital clock. Fullscreen, dark-friendly, good for classrooms, talks, and events.
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How to use the clock
A large digital clock for when everyone in the room needs to see the same time — exams, presentations, studios, and streams.
Open fullscreen
Click fullscreen or press F. Seconds can be toggled off for a calmer display.
About this tool
Put the clock on a spare laptop at the back of a hall, or on a classroom projector. For “how long until,” use the countdown. For work sprints, use pomodoro.
Frequently asked questions
- Where does the time come from?
- Your device clock. If the device is wrong, the clock is wrong — we do not sync to a time server in this version.