How to use the online alarm clock
While you wait for the appointed moment to leave for tea with the neighbours, keep 3:39 pm visible rather than repeatedly checking the clock. Setting an alarm now gives you a clear cue to gather your keys, put on a coat and set off without turning the afternoon into a long spell of clock-watching. With 21 minutes before 4:00 pm, there is room to get ready calmly and still arrive close to the agreed time.
Before relying on the signal for tea, check whether your headphones are still connected. Browser audio can be routed to them without an obvious sign, leaving the alarm hard to hear across the room. Play a brief test sound, then disconnect or remove the headphones if necessary and keep the volume audible. Keep the alarm active until it rings; if the browser session ends or the computer goes to sleep, the tea reminder will stay silent and you may keep your neighbours waiting.
An afternoon visit can easily run into another commitment later that day, so decide before leaving how much breathing room you need afterwards. If the next item in your diary starts soon, allow for the walk home, changing out of outdoor clothes and a few minutes to collect what you need. That buffer makes 4:00 pm a useful boundary rather than a rushed departure point.
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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