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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Duration Presets
- 30 Second Timer
- 90 Second Timer
- 1 Minute Timer
- 2 Minute Timer
- 3 Minute Timer
- 4 Minute Timer
- 5 Minute Timer
- 6 Minute Timer
- 7 Minute Timer
- 8 Minute Timer
- 9 Minute Timer
- 10 Minute Timer
- 11 Minute Timer
- 12 Minute Timer
- 15 Minute Timer
- 16 Minute Timer
- 20 Minute Timer
- 25 Minute Timer
- 30 Minute Timer
- 40 Minute Timer
- 45 Minute Timer
- 50 Minute Timer
- 60 Minute Timer
- 90 Minute Timer
- 2 Hour Timer