How to use the online alarm clock
Before handing the smoke-alarm check to the next person, leave a 3:24 pm reminder so the changeover does not make the communal corridor of the terrace easy to overlook. There is enough of the afternoon left to confirm who is taking over and finish the check before 4:00 pm, without turning the handover into a rushed exchange.
Match the alarm sound to where the handover is happening. A softer tone may suit a quiet shared house when the phone stays nearby, while a more persistent tone can help if conversation, doors or street noise might mask the first alert. Check the volume beforehand and label the alarm clearly. If the browser session ends or the computer goes to sleep, the smoke-alarm reminder will not sound, so the person taking over could miss the agreed check.
With residents likely to be home or returning during the afternoon, avoid making the reminder louder than the situation needs. Keep the phone with the person responsible, use vibration alongside a moderate tone, and mention the planned corridor check to anyone working, resting or caring for children nearby. That keeps the 3:24 pm prompt noticeable without startling the rest of the terrace.
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 3:24 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.
Cookie policy