How to use the online alarm clock
As you hand over your duties to someone else, a 9:19 pm alarm can mark the moment to leave for darts team practice. It gives you a clear break between finishing the handover, collecting what you need and heading out, rather than letting the conversation drift towards 10:00 pm.
With the alarm running in your browser, you can leave this page visible while you finish explaining the remaining work. If you switch to another tab, the page may continue running in the background, but browser power-saving or other restrictions can delay its response. Check that sound is allowed and keep the page open. If the browser is closed or the phone falls asleep, the alarm may not sound, leaving your darts team waiting for you.
Because 9:19 pm falls well into the evening, consider who else at home will hear the alert while you prepare to go. Choose a volume that is audible from where you are finishing the handover without carrying into a child’s bedroom or disturbing someone settling down nearby. Keeping your darts kit, keys and coat together also means the alarm can stay a simple departure cue instead of starting a noisy search around the house.
Common questions
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.
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 9:19 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.
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