How to use the online alarm clock
You have just woken at 7:35 pm, with the neighbourhood patrol still ahead of you and none of your evening preparations started. Set the alarm for this time, then use the spell before 8:00 pm to get dressed, find your torch and keys, and check where the patrol is meeting. That keeps the first few groggy minutes separate from the moment you need to leave.
Your patrol depends on noticing the signal, so test the alarm now while there is time to adjust the volume. Choose 7:35 pm, start it, and listen for a brief trial signal before relying on it later. Keep the sound level high enough to hear from where you are getting ready. This patrol alarm may stay silent if the browser is no longer running when the phone rests, so arrange a separate reminder if missing the departure would leave neighbours waiting.
Stepping outside after waking can feel different from the air indoors, particularly on a humid British evening. Before the patrol, open the door or a nearby window briefly and judge whether a light waterproof layer will feel stuffy. If the air is close, take water and choose breathable clothing; if a breeze has picked up by 8:00 pm, add a thin outer layer that will not restrict walking.
Common questions
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.
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.
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