How to use the online alarm clock
Finish what you are doing, set the alarm for 1:48 am, and head off so you can meet the ferry from Belfast in Liverpool. The twelve minutes before 2:00 am leave a useful margin for putting on your coat, checking the terminal details and reaching the agreed meeting point without turning the night into a rush.
While you wait for the arrival, keep this alarm page in the foreground if possible. Moving it behind another page can make some browsers restrict its activity, especially when battery-saving settings intervene, so return to it before relying on the alert. Keep the sound turned up and leave the browser running. If the browser is fully closed or the phone goes to sleep, the ferry alarm cannot sound, so use a separate alarm as a fallback when missing the arrival would leave someone waiting.
Meeting a late ferry can feel unusually quiet once nearby traffic and terminal activity have faded. At 1:48 am, avoid depending on a subtle chime that may disappear beneath an engine, ventilation fan or the sudden noise of disembarking vehicles. Choose a clearly audible tone, then wait somewhere permitted where announcements and approaching passengers remain easy to hear. The contrast between the quiet streets and the busy arrival can otherwise make the alert surprisingly easy to miss.
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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