How to use the online alarm clock
If you are handing the Newlyn fish auction run over to someone else at 12:48 am, set the alarm for the moment they need to take charge. That leaves a clear marker before 1:00 am, whether they are collecting the keys, checking the route through west Cornwall or making sure the van is ready. Agree what the alarm means so the changeover does not depend on a sleepy conversation.
For this auction handover, the main risk is the phone falling asleep before the alarm is due. Keep the browser page active, leave the phone awake and connect it to power if the battery is low. If the phone sleeps before 12:48 am, this browser alarm may stay silent and the fish auction departure could be missed. A separate alarm on the phone provides a useful fallback when another person is relying on the signal.
Because the handover happens in the middle of the night, keep the sound close to the person taking over rather than turning it up across the house. A firm but contained tone, with vibration enabled on a hard bedside surface, can make 12:48 am noticeable without waking everyone nearby. Lay out keys and outer clothing beforehand as well, so there is less movement through dark rooms once the alarm sounds.
Common questions
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 12:48 am?
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.
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.
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