How to use the online alarm clock
As you finish what you are doing and get ready to leave for the Army Cadets club, a 10:50 pm alarm gives the departure a clear cue. It is close enough to 11:00 pm to feel late, yet still leaves a useful pocket of time for collecting your keys, checking the pickup point and heading out without lingering.
For an Army Cadets pickup, the right alarm sound depends on where you will be when it rings. A softer tone suits a quiet room and avoids startling anyone nearby, while a more persistent sound is sensible if you are packing up, wearing headphones or moving between rooms. Set the volume so it can cut through that particular setting without being needlessly harsh. Keep the browser active and your phone awake; otherwise the Army Cadets pickup reminder may make no sound, leaving you without the cue to depart.
Leaving for the cadet centre at 10:50 pm can mean moving from a bright home into dark streets or a poorly lit car park. Before settling down for the evening, place your keys beside a small torch or switch on the outside light if someone is being collected from your address. Lowering a bright screen shortly before departure also makes the change in light less abrupt when you step outside.
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 10:50 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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