How to use the online alarm clock
Finish what you are doing and leave when the 7:11 pm alarm sounds, giving yourself a clear cue to head for the last suburban train. It can separate one final task from the moment you pack up, check your route and walk to the station. With 8:00 pm approaching, that boundary helps prevent an evening job from quietly taking the time reserved for the journey.
Your train reminder depends on this browser continuing to run: closing the page or quitting the browser stops the alarm, and it may also fail if the phone or computer goes to sleep. Keep the page open while you finish, leave the sound switched on and choose a volume you can hear over nearby conversation. A quick sound check now confirms that the alert is audible before your attention returns to work.
While wrapping up at 7:11 pm, reduce the contrast between a bright screen and the darker evening around you. Lower the display brightness to a comfortable level, switch on a warmer evening setting if available, and avoid staring at a route map longer than needed. Note the platform and departure details once, then put the phone somewhere visible so the lit display does not hold your eyes while you gather your coat and bag.
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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