How to use the online alarm clock
Preparing now for the last suburban train gives you room to finish calmly rather than rush for the platform. Set the alarm for 10:36 pm, check the departure details and keep your ticket or railcard within reach. With 11:00 pm approaching, those 24 minutes can cover packing your essentials, putting on a coat and allowing for the walk to the station.
Your train plan depends on hearing the signal, so test it before relying on it. Set a temporary alarm a minute or two ahead, keep the volume clearly audible and confirm that the sound plays as expected. Then reset it for 10:36 pm. This browser alarm cannot ring after its session has been closed or suspended, which could leave the train departure without a warning; use a separate phone alarm as backup if you may leave the page or stop using the phone.
A late departure is easier when food and drink are settled before leaving home. If you need something, choose a small, familiar snack that is easy to carry, and take enough water for the journey without loading your bag. Leave a large meal or another caffeinated drink until it suits your evening plans, especially if eating would delay the walk to the station. Place any travel snack beside your ticket now, so the 10:36 pm alarm means getting up and leaving.
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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