Set the alarm clock for 5:52 am

Leave this tab open — the alarm only rings while the tab stays open.

The alarm goes off in: ::

You can also try the other alarm clocks

Alarm clock for 5:50 am Alarm clock for 5:51 am Alarm clock for 5:53 am Alarm clock for 5:54 am

Going to bed for a 5:52 am alarm

Asleep by 8:37 pm — 6 full sleep cycles, about 9 hours
Asleep by 10:07 pm — 5 full sleep cycles, about 7 hours
Asleep by 11:37 pm — 4 full sleep cycles, about 6 hours

A sleep cycle runs about 90 minutes, and most people take around 15 minutes to drop off. Waking at the end of a cycle feels easier than waking in the middle of one.

5:52 am across the country

Sydney	5:52 am
Brisbane	5:52 am
Adelaide	5:22 am
Perth	3:52 am
Darwin	5:22 am

Times are worked out live in your browser, so daylight saving is already accounted for.

How to use the online alarm clock

Three in the morning has its own kind of silence, and an alarm for 5:52 am breaks it on purpose. Whether you're catching a pre-dawn flight or grabbing a short nap before a long haul, this tool rings at 5:52 am through your browser so you're not relying on a phone across the room.

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 5:52 am is written 05:52, and spoken aloud it's eight minutes to six in the morning. Written the Australian way that's 5.52 am, and typed in a hurry it's often 5:52am. If you need it loud, turn the system volume up before you start: the alarm plays at whatever the device is set to.

Common questions

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.

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.