How to use the online alarm clock
Preparing now to check the heating in an old stone house at 1:26 am means setting aside a torch, warm layer and any keys before they are needed. An alarm for this exact time can mark the planned check, while 2:00 am provides a useful later point for noting whether the rooms and radiators feel different.
Because this alarm runs in the browser, closing the page or browser beforehand means the heating check may pass without a sound; the same can happen if the computer or phone goes to sleep. Keeping the alarm page open and the equipment awake makes the alert more dependable, and the volume needs to be audible from wherever preparations are being made.
Anyone travelling to the property during the night can allow for the road as part of the plan rather than treating 1:26 am as the departure time. Rural lanes near older British houses may be dark, narrow or affected by overnight works, so a familiar route can still take longer than expected. Leaving a sensible margin keeps the heating inspection tied to the intended time without encouraging a hurried drive.
Common questions
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.
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.
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