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A big digital clock with seconds
Free, no signup. Toggle between 12h and 24h, go fullscreen, and use it as a wall clock, desk clock or classroom reference.
Good uses for a clock with seconds
- Meetings and standups — keep time-boxed turns honest.
- Classrooms — a visible reference for tests, breaks and transitions.
- Recording and streaming — a precise on-screen clock for cues.
- Science and cooking — quick reference when you need the seconds hand.
12-hour vs 24-hour
Most of the world uses 24-hour time (00:00–23:59). The US, Canada, Australia and a few others default to 12-hour with AM/PM. Pick whichever your team reads faster — Timecade remembers the choice across the whole app.
Need a different time zone?
This page uses your device's time zone by default. To compare cities side by side, try the time zone converter, or open the full app and switch to World Clock.
Frequently asked questions
- Does this clock show seconds?
- Yes. This page is a digital clock that always shows hours, minutes and seconds. The seconds tick every second and are visible in both windowed and full-screen mode.
- Can I switch between 12-hour and 24-hour format?
- Yes. Use the 12h / 24h toggle above the clock. The setting is remembered across the whole Timecade app.
- How accurate is the clock?
- The clock reads your device's system time. Seconds update once per second. Accuracy is limited to whatever your operating system is synced with (typically NTP).
More Timecade tools
Timer, stopwatch, alarm, Pomodoro, tabata, world clock and a classroom timer.
Open the full app