Date & Time

Classroom Timer

Choose a common classroom duration or a saved timer preset, add a task label, project the large countdown, and use at-a-glance progress and warning states without signing in.

Classroom countdownProjector-friendly · no sign-in

Minutes

Label

Saved durationsShared with Online Timer

Independent work

00:05:00

Ready

—Expected end

100%Time remaining

NormalVisual cue

0Saved presets

The visual cue turns amber below 25% remaining and red below 10%. Keep the page visible when timing matters; browser sleep or throttling can delay screen/sound updates.

How to use this Classroom Timer

Choose a classroom quick preset or a saved duration shared from Online Timer, label the activity, project the large timer, and use amber/red low-time cues, fullscreen, sound test and quick-add controls.

Browser timing and reliability limits

The visual warning thresholds are convenience cues, not a classroom-management prescription. Browser timing and sound remain best-effort and can be delayed by device/browser power management.