How to use the online alarm clock
While getting ready for an evening at your local theatre, set the alarm for 8:19 pm before you need it. That leaves time to check your ticket, choose what to wear and gather your keys without turning the final few minutes into a rush. If the performance or your journey begins around 9:00 pm, this alert can mark the point when preparation should give way to leaving.
Your theatre reminder may stay available when its browser page moves into the background, although some phones and browsers restrict inactive pages. Keep the page open, leave sound enabled and check that the volume is high enough to hear from another room. If you close the page or allow the phone to sleep, the theatre alarm may remain silent, so use the phone’s built-in alarm as a backup when missing 8:19 pm would make you late.
Before heading out beneath street lamps and foyer lighting, reduce a very bright screen rather than staring at it while checking the time. A warmer display setting can make the transition from a dim room feel less abrupt. Place the phone where the alarm is audible but you do not need to keep watching it; once coats, tickets and keys are ready, letting the screen go dark also avoids an unnecessary distraction before departure.
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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