tickline
3:00:00

Tip: press Space to start / pause. Screen stays awake while running.

Free 3 hour timer online

A reliable 3 hour countdown for slow-cook meals, long study sessions, or timed exam practice. Tickline uses an end-timestamp so the alarm hits exactly when it should — even if you close the tab and come back later.

Frequently asked questions

How do I start a 3 hour timer?

Press Start (or Space). Tickline counts down 3 hours and plays a loud alarm when it finishes.

Does the timer stay accurate for 3 hours?

Yes. The countdown is anchored to a real end-timestamp, so background tabs, sleep-wakes, and refreshes never cause drift.

What is a 3 hour timer used for?

Slow-cooking, marathon study sessions, long focus sprints, or timed exams and practice papers.

Can I share this exact 3 hour preset?

Yes — Copy link and the URL preloads the identical timer for anyone.

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