When you setup timer for 3 days from now, the alarm will ring after 259200 seconds
If you have set timer for 3 days from now, you can be 100% sure that alarm will ring after 3 days. You can trust us completely.
The timer will still ring after 3 days, 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 after 3 days, if you close the tab.
It will be gone. The timer will not ring after 3 days, if you close the browser.