How to use the online alarm clock
Waking at 8:57 pm leaves little room for drifting back to sleep when you are due to join the neighbourhood patrol. Use the few minutes before 9:00 pm to get upright, switch on a light and gather your keys, torch and outer layer. That short sequence gives the evening a clear starting point without making the departure feel rushed.
Your patrol may need a gentle sound if other people are asleep nearby, while a firmer, repeating tone can suit a deep sleeper who might miss one quiet chime. Pick a tone that fits the house and set the volume before settling down, then test it once so there is no surprise. Keep the alarm page open and the phone awake, because otherwise the patrol reminder cannot sound and the group could be left waiting outside.
Before stepping out for the evening patrol, check how the air feels at the door rather than judging it through a window. Humidity can make a mild British evening feel clammy, especially beneath a waterproof coat. A light, breathable layer under the jacket is easier to adjust while walking, and a small cloth can keep damp from a torch lens or glasses. If the air feels close, take water and leave heavier layers somewhere accessible for later.
Common questions
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.
What happens if my laptop goes to sleep before 8:57 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.
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