Combined Timers

1 Hour 20 Minute Timer

Online 1 hour 20 minute countdown timer (80 minutes).

1:20:00

Press Space to start or pause · ? for shortcuts

Set the time

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Keyboard shortcuts

Space
Start / pause
R
Reset
+
Add 1 minute
E
Edit time
F
Fullscreen
M
Mute / unmute
Esc
Stop alarm / exit fullscreen
?
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1 Hour 20 Minute Timer with Alarm

Start a 1 hour 20 minute countdown timer with audio alarm and fullscreen mode.

Need to set a timer for 1 hour 20 minutes? This one is ready to go. It's already set to 01:20:00, so all you have to do is press Start. You don't need to type anything in, install an app or create an account.

As it counts down, the ring around the clock gets shorter so you can see the time left without reading the numbers. The countdown also shows in your browser tab, so you can work in another tab and still see it. When it reaches zero, a chime plays. Check that your sound is on.

People use a 1 hour 20 minute timer for things like a full practice exam, a deep-work session, a slow roast, a movie night, or keeping track of a parking meter.

Duration
1 hour 20 minutes (01:20:00)
In seconds
4,800 seconds
Alarm
Chime at 00:00

Frequently Asked Questions

How many seconds are in 1 hour 20 minutes?

1 hour 20 minutes is 4,800 seconds. The timer shows it as 01:20:00 when it starts.

Will the alarm still go off if I switch tabs?

Yes. The timer goes by your device's clock, so it doesn't slow down when the browser puts the tab in the background. Keep the tab open and your volume up. On some phones the browser can't play sound while the screen is locked, so it's safer to keep the screen on.

Can I change the time or make it fullscreen?

Yes. Tap Edit to set any hours, minutes and seconds you like, or tap Fullscreen to show a big countdown on a classroom board, TV or kitchen tablet.

What is a 1 hour 20 minute timer good for?

1 hour 20 minutes works well for a full practice exam, a deep-work session, a slow roast, a movie night, or keeping track of a parking meter. Keep the tab open and your device plugged in. Closing the tab stops the timer.

Can I share this timer or put it on my website?

Yes. Tap Share to copy a link (it includes any custom time you set), or copy a short code that embeds the timer on your own website or classroom page.

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