How to use the online alarm clock
Finishing up and leaving for a lecture at the Royal Society is easier when 10:26 pm marks the moment to stop whatever is still open, gather your things and head out. The alarm separates that departure from the rest of the evening, while 11:00 pm remains a useful later reference rather than the point at which you finally notice the time.
A lecture departure may suit a gentle tone if the room is quiet and you are already watching the clock. A more insistent sound makes sense when conversation, television or headphones could mask a softer alert. The selected alarm can be tested once at the intended volume before it is needed. If the browser page is closed or the phone or laptop falls asleep, no sound can play, so departure for the lecture could slip past unnoticed.
Heading into London for an evening lecture may mean moving between warm indoor air and damp streets. At 10:26 pm, humidity can make the outside air feel noticeably different even when the temperature looks manageable. A light outer layer is useful, and checking the local conditions before leaving helps decide whether an umbrella belongs with your keys and travel card.
Common questions
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.
What happens if my laptop goes to sleep before 10:26 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.
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