How to use the online alarm clock
As you finish your vaccination at the local pharmacy and get ready to leave, an alarm set for 10:54 am can mark the moment to collect your belongings and check that you have everything with you. It is close enough to 11:00 am to fit naturally between the appointment ending and the rest of your morning.
Before stepping away from the pharmacy, check whether your phone is on silent, as that setting may prevent the alarm from being heard even when the on-screen timer appears to work. Choose an audible alert and set the volume to a level you can notice. For the vaccination visit, keep the browser alarm active and the phone awake until 10:54 am; if either stops running, the alert may not sound when you need to leave.
Leaving a local pharmacy shortly before 11:00 am often means moving from a fairly quiet consultation area into louder late-morning streets, traffic or a busy shopping parade. Keep the phone somewhere the sound will not be muffled by a coat or bag, and pause near the entrance if necessary. That change in background noise can make a familiar alarm much easier to miss.
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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