How to use the online alarm clock
You are halfway through another job when 4:34 pm needs to pull you away for an appointment at your MP’s constituency surgery. Setting the alarm for that exact time creates a clear stopping point, with 26 minutes still available before 5:00 pm for gathering your notes, checking the address and starting the journey without rushing.
A constituency surgery is a poor occasion to discover that the alert is too quiet, so play a brief test signal while you can still adjust it. Check the volume, make sure the chosen sound is recognisable over whatever you are doing, then set 4:34 pm. This browser alarm cannot sound after its tab has been closed or while the device is asleep, which could leave you working past the moment to depart for the surgery.
Late-afternoon light can make a bright phone screen feel stark, especially beside a window or under dim indoor lighting. Before returning to your task, a lower screen brightness and a larger clock display can make the alarm easier to check at a glance. Placing the phone where daylight does not reflect directly from the glass also reduces the temptation to keep staring at the time as 4:34 pm approaches.
Common questions
What happens if my laptop goes to sleep before 4:34 pm?
The tab sleeps along with it and the alarm will not sound on time, if at all. If you are relying on it, change the power settings so the machine stays awake, or keep a phone alarm running as well.
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.
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