How to use the online alarm clock
Preparing early for a 2:22 am alarm gives you time to dress, check your kit and leave for a shift at a London fire station without a last-minute scramble. Set it while you are still awake, with enough margin to be ready well before 3:00 am. Keeping your uniform, pass and keys together makes the alarm a clear point in your preparations rather than the start of a search around the house.
Once the fire-station alarm is set, leaving its page in the background is usually fine: another tab can remain on screen while the timer continues. Check that the sound is audible and avoid browser settings that suspend inactive pages. If you close the browser or allow the phone or laptop to sleep, the alarm cannot sound, so it should not be the only safeguard for your shift.
Getting ready for night duty can easily disturb everyone else in the house. A moderate alarm volume, a phone placed close to your side of the bed and clothes prepared outside the bedroom can reduce the disruption at 2:22 am. Keep keys away from loose coins, close doors gently, and use a dim light for the final check before leaving.
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 2:22 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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