How to use the online alarm clock
While getting your paperwork and keys ready for an MOT appointment, set the alarm for 10:05 am before you become occupied with other preparations. That gives you a clear prompt to check the vehicle, gather the V5C if needed, and leave enough time for the drive to the garage. If the appointment is closer to 11:00 am, the alarm can mark the point when preparation ends and the journey begins.
Your MOT departure depends on the alarm sounding while you can still act on it, so keep the browser active and prevent the phone or computer from going to sleep beforehand. If the screen locks and the system suspends the browser, the MOT reminder may not sound at 10:05 am. Keep the volume audible, leave the alarm page running, and use a mains connection if the battery is low. A separate phone alarm is a sensible backup when missing the garage slot would disrupt the day.
By 10:05 am, residential streets and garage forecourts may be noisier than they were during the early commute. Put the phone somewhere its tone will carry over traffic, workshop tools, a radio, or conversation rather than leaving it inside a coat or bag. Check the sound level before continuing with the vehicle checks, especially if an open bonnet or running engine could mask a quiet alert.
Common questions
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.
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.
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