How to use the online alarm clock
Waking at 9:09 pm, you may need a moment before getting up to close the curtains ahead of darkness. Set the alarm for the time you want to move, then use the quiet interval to wake properly rather than drifting off again. If you plan to be on your feet by 10:00 pm, the round hour gives this late-evening task a clear boundary.
Because the alarm runs in your browser, keep this page open while you wait and leave your phone or computer awake with the volume audible. Closing the page or browser, or letting the device sleep, means the alarm may not sound and the curtains could remain open beyond the time you intended. Check the displayed alarm time before settling back, especially if your screen normally locks after a few minutes.
Once the curtains are closed, keep the room dim and avoid turning the job into the start of a busy evening. At 9:09 pm, bright overhead lights and extra household tasks can make it harder to preserve the sleep still available afterwards. Put anything needed for later within reach, return to bed promptly, and use a separate dependable alarm if you must wake again at a fixed time.
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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