Online alarm clock for 11:58 pm
While you watch the clock for your scheduled London call, set the alarm for 11:58 pm so the final moments do not slip past unnoticed. Their working morning meets your late evening, and the alert gives you a clear cue to join before the date rolls over at 12:00 am.
Because this call depends on precise timing, keep the browser open after setting the alarm and check that your sound is audible. If you close the browser, the alarm for your London call will not sound, and a sleeping phone or laptop may also prevent the alert from running. Leave the page available, keep the device awake, and use a separate phone alarm as backup if missing the appointment would cause trouble.
Waiting for an overseas conversation this late can leave the room brighter than you want after midnight. Before 11:58 pm, dim the main lights and position a small lamp behind or beside the screen, where it will not shine directly into your eyes or create glare. Keep enough light to see your notes and controls clearly, then reduce the screen brightness once the call begins.
Common questions
Is this alarm accurate across daylight saving time?
It uses your device's local clock, so as long as your computer's time and date settings are correct, it'll adjust automatically when daylight saving time starts or ends.
Can I use this on my phone instead of a laptop?
Yes, it works in a mobile browser the same way, but phones are more likely to lock the screen or sleep, which can stop the alarm from ringing. A laptop or desktop tends to be more reliable for this.
Can I set more than one alarm at a time?
This page is built around a single alarm at a time. For multiple alarms, open a separate tab for each one and set a different time in each, keeping every tab open until it's rung.
Why use a browser alarm instead of my phone's built-in one?
Mainly for reliability against silent mode, do-not-disturb, or a phone left charging out of earshot. It's a useful backup or a desk-based alternative, though it depends on this tab staying open rather than running in the background of your phone.
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