How to use the online alarm clock
A quick nap over lunch only works if something reliably wakes you up again, and 1:39 pm is a common target for exactly that. Set the time, pick a tone, and this tool will ring at 1:39 pm through your speakers so the rest of your day isn't wrecked.
Pick whichever sound you're most likely to actually notice, then press Start. The alarm is tied to this browser tab, so it needs to stay open. Minimising the window is fine, but closing the tab or the browser will stop the countdown before it ever rings.
The advantage of a browser alarm is volume and reliability at a desk: laptop speakers are often louder and easier to hear across a room than a phone left in a bag. The catch is that it depends entirely on the tab staying open; if the browser closes or the laptop sleeps, the alarm won't fire. On a 24-hour clock 1:39 pm is written 13:39, and spoken aloud it's twenty-one minutes to two in the afternoon. Timetables and rosters may show it as 13:39, and handwritten notes as 1.39 pm. Whether you would say set alarm for 1:39 pm or put an alarm on for 1:39 pm, the steps are the same: pick a sound, press Start, leave the tab open.
Common questions
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.
What happens once the alarm goes off?
It rings through your device's speakers on a loop until you stop it from this page. There's no separate app notification, so make sure your volume is turned up before you rely on it.
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.
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