How to use the online alarm clock
Pause what you are doing at 11:51 am so you can break away and get the dog ready for a walk on Hampstead Heath. Setting the alarm now gives you a clear stopping point before 12:00 pm, without relying on a glance at the clock while you finish the task in front of you.
A dog walk needs a tone that cuts through the sounds around you without startling everyone nearby. Choose a softer alert if the room is quiet and your phone is within reach; use a more insistent sound if you are wearing headphones, running a tap or moving between rooms. Check the volume once before carrying on. This browser alarm will not sound after the page is closed or if your phone or laptop goes to sleep, so the dog walk could start late unless the screen stays awake and this page remains open.
Before setting off across the Heath near the end of the morning, keep any food simple enough that it does not delay putting on shoes, finding the lead and leaving. A glass of water or a quick cup of tea fits into the short pause before noon; a full lunch is easier to leave until after the walk, when there is no need to rush through it or carry more than the dog essentials.
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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