How to use the online alarm clock
As you finish up and head out at 12:05 pm, check the departure board before making your way to the platform for the intercity train. An alarm at this precise time gives you a firm stopping point, so the final task does not quietly stretch towards 1:00 pm while the departure information goes unchecked.
With station announcements, traffic and conversation around you, a quiet signal can disappear into the background. The alarm volume therefore needs to be tested against the noise you expect when it sounds, rather than judged in a silent room. Keeping the phone close also makes the alert harder to miss. If the browser is no longer running or the handset has gone to sleep, the alarm may not sound in time for the train, so a separate built-in alarm is sensible when the departure cannot wait.
Leaving at midday after a short sleep can feel abrupt, especially when the alarm marks the exact moment to get moving. Allow a few minutes after 12:05 pm to sit up, gather your ticket and check that you have the essentials before setting off. That small buffer preserves more of the sleep beforehand without turning the journey to the station into a rush.
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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