Online alarm clock for 5:37 pm
While you watch the clock for the backyard barbecue with the neighbours, set the alarm for 5:37 pm so the agreed moment does not slip past. That gives you a clear cue to start moving chairs, checking the gas bottle or bringing food outside, with 23 minutes still available before 6:00 pm.
Keep this alarm page open while you wait, and leave the browser running where you can hear it. Closing the tab or browser means the alarm cannot sound, so the barbecue preparations may start later than planned. It also cannot alert you if the phone or computer goes to sleep, so check the screen settings if you intend to put the device aside.
As the barbecue approaches in the late afternoon, let other people in the house know that an alarm will sound at 5:37 pm. Someone may be working, settling a child or enjoying a quiet room, so choose a sensible volume and keep the device near you. A quick warning also turns the sound into a shared cue: anyone helping can finish what they are doing and meet outside without being startled.
Common questions
Will the alarm still ring if I close the browser tab?
No. The alarm only runs while this tab stays open — closing it, or closing the browser entirely, stops the countdown before it can ring. Keep the tab open in the background if you need it to go off later.
Does the alarm work if my laptop goes to sleep?
Not reliably. If the device sleeps or the screen locks, the browser tab pauses along with it, so the alarm may not fire on time or at all. Adjust your power settings if you're relying on this over a longer stretch.
Do I need to create an account or download anything?
No, there's nothing to sign up for and nothing to install. Pick a time and a sound, press Start, and it runs entirely in this browser tab.
Can I change the alarm sound?
Yes, there's a short list of tones to choose from before you press Start. Pick whichever one you're most likely to actually hear — softer sounds are easier to sleep through than a firm chime or bell.
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