Set timer for 3 hours from now
Simplest online alarm clock to set alarms. do not close browser tab.
Set timer for 3 hours
00:00
If you have set timer for 3 hours, you can be 100% sure that timer will ring at 3 hours. You can trust us completely.
The timer will still ring at 3 hours, even if you refresh the browser, since we store the information in browser's local cache.
It will be gone. The timer will not ring at 1 hours, if you close the tab.
It will be gone. The timer will not ring at 3 hours, if you close the browser.