Set the alarm clock for 8:31 pm

 

Leave this tab open — the alarm only rings while the tab stays open.

The alarm goes off in: ::
 
 

8:31 pm across the country

London8:31 pm
Birmingham8:31 pm
Manchester8:31 pm
Glasgow8:31 pm
Belfast8:31 pm

Times are worked out live in your browser, so daylight saving is already accounted for.

How to use the online alarm clock

As you hand the last task to a colleague, an 8:31 pm alarm can mark the moment to leave for your evening college course. It gives you a clear boundary between finishing the handover and setting off, with enough room to gather your notes or catch the bus. By 9:00 pm, you can be settled into the lesson rather than still thinking about work.

Your course departure is easier to trust if you check the signal now, while there is still time to adjust it. Set 8:31 pm, listen for a brief test, and confirm that the volume is loud enough to cut through conversation during the handover. Keep this page active and the phone or computer awake: otherwise the college alarm will not sound, and you may miss the point when you meant to leave. A separate phone alarm is sensible if the browser cannot remain running.

Leaving work for college on a warm British evening can mean moving from outdoor heat into a strongly air-conditioned classroom. Pack a light layer beside your course notes, even if it feels unnecessary at 8:31 pm. A bottle of water is also useful for the journey, particularly after a hot commute, while the layer can stay in your bag unless the room feels cool.

Common questions

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.

Can I change the sound?

Yes, there is a short list of tones to pick from before you press Start. Softer sounds are easy to sleep through, so a firmer bell tends to be the safer choice for anything early in the morning.

Will it still be right when the clocks change?

Yes. It reads your device's local clock, so the move between GMT and BST at the end of March and October is picked up automatically, as long as the computer's date, time and time zone are set correctly.

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.