Online alarm clock for 7:18 pm
You are handing over the job of unlocking the choir rehearsal hall, so a 7:18 pm alarm gives the next key-holder a clear cue before the evening session. There is still time to open up, switch on the lights and let singers settle before 8:00 pm, without relying on a hurried message at the last minute.
A choir arriving in a quiet building may suit a gentle tone, especially if someone is already waiting nearby; a more persistent sound makes sense when the key-holder could be cooking, travelling or away from their phone. Set the volume and tone for where the alarm will be heard, then keep this page active. If the browser is closed or the device goes to sleep, the alarm may not sound, leaving the rehearsal hall locked when singers arrive.
The person taking the keys should allow for an evening journey rather than treating 7:18 pm as the departure time. Local traffic can remain busy after work, and a delayed bus or missed connection can use up the spare minutes quickly. Check the route beforehand, agree where the keys will change hands, and leave enough travel time to reach the hall calmly before the choir gathers.
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 7:18 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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