How to use the online alarm clock
While you wait to leave for the evening jury sitting, set the alarm for 9:31 pm and keep an eye on the time without repeatedly checking the clock. The alert marks the appointed moment, while 10:00 pm remains a useful reference point if your journey or arrival instructions are tied to the round hour. Have your papers, court details and travel card together before the alert sounds.
Your jury appointment may leave you using another page while this alarm runs in the background. That is usually fine, but some browsers reduce activity on pages left behind for a long while, so return here occasionally and confirm the alarm is still active and the volume is audible. Do not make this your sole safeguard for jury attendance: if the browser session ends or the phone settles into sleep, the alarm cannot sound. A separate phone alarm provides a sensible backup.
Waiting for an evening sitting can overlap awkwardly with supper. Before 9:31 pm, choose something light and familiar that will not delay your departure, and keep water nearby. Leave a larger meal, alcohol or anything needing lengthy preparation until after the jury commitment, especially if you must travel close to 10:00 pm. This keeps the final minutes available for checking the route, collecting belongings and leaving calmly.
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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