livetime.now — Frequently Asked Questions

Yes — free, no signup, no download.

It matches your device's clock, which on a synced machine is typically within a few tens of milliseconds of true time.

In fullscreen the page requests a screen wake lock where supported, which keeps a display running unattended.

Yes — add it as a browser source or open it in kiosk mode. The fullscreen page is designed for both.

Format, seconds, colour and size are saved in your browser on that device only. Nothing is uploaded.

As accurate as your device's clock. If your operating system syncs with a time server, that is typically within a few tens of milliseconds.

The display is redrawn on each animation frame rather than on a fixed timer, so it updates with the screen rather than against it.

The clock keeps correct time, but browsers throttle updates in hidden tabs to save power. It catches up instantly when you return.

Yes — the fullscreen display page is built for exactly that, with a wake lock so the screen stays on.

For reading a rough instant, yes. For measuring intervals, use the stopwatch, which uses a monotonic timer unaffected by clock adjustments.

Because the display refreshes about sixty times a second, so it samples rather than showing every millisecond.

Press the fullscreen button under the clock. Pressing Escape or the button again returns to the page.

Yes, while the clock is fullscreen the page requests a screen wake lock where the browser supports it. Closing fullscreen releases it.

Yes, in your browser on this device. Format, seconds, colour and size all come back next visit.

Yes — add the page as a browser source in your streaming software and size it to the corner you want.

Yes, a short tone plays at zero. Your browser may require you to interact with the page first before it will play audio.

The end time is fixed when you start, so it stays correct. Background tabs update less often but the alert fires when you return.

Yes — use your browser's fullscreen and it scales to the display.

Elapsed time is computed from timestamps rather than counted ticks, so it does not drift even if the display updates unevenly.

Laps are listed while the page is open. Reloading clears them, so copy anything you need to keep.