How to use the online alarm clock
You’re finishing what you’re doing and getting ready to leave for a Sunday roast with colleagues at the pub. An alarm set for 1:09 pm gives that departure a firm edge, so collecting your keys, checking the route and heading out do not drift towards 2:00 pm. It suits a midday plan where being seated before everyone orders matters more than squeezing in one last task.
Your colleagues will not hear the reminder if its sound has quietly been routed to headphones left in a pocket or on a desk. Before relying on the alarm, the selected audio output and volume need a quick check, particularly if wireless headphones were connected earlier. The pub departure will also have no audible reminder if the browser is closed or the phone goes to sleep, so the page and phone must remain awake until 1:09 pm.
Heading from an air-conditioned room into midday warmth can make an unhurried exit feel less appealing. Having a light layer ready for the cool interior, but easy to carry outdoors, avoids searching for something suitable at the last moment. Water, keys and anything needed for the journey can sit together near the door, leaving the alarm to mark departure rather than the start of another round of preparation.
Common questions
Can I use this on a phone?
It works in a mobile browser, but phones lock the screen and suspend background tabs far more readily than a laptop does, which can stop the alarm sounding. For anything important, a desktop or a plugged-in laptop is the steadier option.
Does the alarm still work if I close the tab?
No. Everything runs inside this page, so closing the tab — or quitting the browser altogether — ends the countdown there and then. Leaving it open in the background is all it asks, and switching to another tab makes no difference.
What happens if my laptop goes to sleep before 1:09 pm?
The tab sleeps along with it and the alarm will not sound on time, if at all. If you are relying on it, change the power settings so the machine stays awake, or keep a phone alarm running as well.
Do I need an account or an app?
Neither. Choose a time and a sound, press Start, and it runs in this browser tab. Nothing is downloaded, nothing is registered, and closing the page leaves nothing behind on the device.