120-Hour Timer
The 120-hour timer spans five complete days, making it useful for a workweek deadline, trip countdown, launch plan or long project milestone. Treat it as a five-day planning frame with daily outcomes, not a timer you need to watch continuously.
Tip: press Space to start or pause, R to reset, F for full screen.
This page opens at 120:00:00 and targets a one-hundred-twenty-hour five-day countdown. Press Start for a full-screen countdown with pause, alarm and loop controls.
Is a 120-Hour Timer the Right Length?
Best for: five-day workweeks, trip preparation, launch plans and long project milestones.
Choose another length for: projects without daily checkpoints or critical reminders that must survive a closed browser.
Choose 96 hours for a four-day window or a calendar countdown for a dated deadline.
A one-hundred-twenty-hour workweek plan
| Stage | Time | What to do |
|---|---|---|
| Prepare | 12 hours | Day one: agree the scope, owner and definition of done. |
| Main block | 96 hours | Days two through four: complete and review the main work in daily increments. |
| Finish | 12 hours | Day five: test, document and deliver before the countdown reaches zero. |
How to Set a Timer for 120 Hours
Starting this countdown takes one click. The clock is already set to 120:00:00. Here is the full flow, including pausing, looping and full screen.
- Open the presetThe countdown already shows 120 hours (120:00:00), so no duration entry is needed.
- Use it for a one-hundred-twenty-hour five-day countdownDay one: agree the scope, owner and definition of done.
- Follow the finish cueDay five: test, document and deliver before the countdown reaches zero.
Duration and Clock Conversion
This duration spans 432,000 seconds in total.
That's 120 hours - Long enough to bridge a full day.
However you measure it, the 120-hour countdown tracks the same span and reaches zero at the scheduled finish time. Alarm sound requires the page to remain open and the browser to permit audio.
| Seconds | 432,000 |
|---|---|
| Minutes | 7,200 |
| Hours | 120 |
| Days | 5 |
| Clock (h:mm:ss) | 120:00:00 |
How to Run a Reliable Live-Event Countdown
Counting down to a live moment? Set a target timestamp, prepare a full-screen display and use a separate backup alert for a consequential finish.
Read the guide →Questions About This Duration
What is a 120-hour timer best used for?
Is 120 hours the right timer length for every task?
What timer should I use instead of 120 hours?
How is the remaining time calculated?
Need this countdown on another page? Create an embeddable timer with your preferred title, theme and size.