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Set timer for 20 hours from now

Simplest online alarm clock to set alarms. do not close browser tab.

Set timer for  20 hours

00:00
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Simple to use

alarmsetter.com provides simplest way to set timer for 20 hours from now.

Accurate alarms

Alarms setup by alarmsetter.com are accurate. You can rely on us completely to start timer after 20 hours.

Cross platform

You can setup timer for 20 hours from now on any operating system, like Windows/Mac/Linux/Android/iPhone.

Secure and trustworthy

alarmsetter.com does not require users to login for setting timer for 20 hours from now. No user information is send to our servers.

All timezones supported

Using alarmsetter.com you can set timer to start after 20 hours from current time, in any time zone.

No need to install any software

alarmsetter.com is a cloud and web based application. You do not need to install any software to use alarmsetter.com while setting timer for 20 hours from now.
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How to set timer for 20 hours:

1. Click on set alarm.
2. Set 20 hours for timer.
3. Choose sound of your choice.
4. Click submit to set timer, that's it !.
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Frequently Asked Questions

Can I rely on alarmsetter.com to setup timer for 20 hours?

If you have set timer for 20 hours, you can be 100% sure that timer will ring at 20 hours. You can trust us completely.

What will happen to the timer that I have set, if I refresh the browser ?

The timer will still ring at 20 hours, even if you refresh the browser, since we store the information in browser's local cache.

What will happen to the timer that I have set, if I close the tab of browser in which alarmsetter.com is opened?

It will be gone. The timer will not ring at 1 hours, if you close the tab.

What will happen to the timer that I have set, if I close the browser?

It will be gone. The timer will not ring at 20 hours, if you close the browser.