Set the alarm clock for 5:05 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 5:03 am Alarm clock for 5:04 am Alarm clock for 5:06 am Alarm clock for 5:07 am

Going to bed for a 5:05 am alarm

Asleep by 7:50 pm — 6 full sleep cycles, about 9 hours
Asleep by 9:20 pm — 5 full sleep cycles, about 7 hours
Asleep by 10:50 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.

5:05 am across the country

Sydney	5:05 am
Brisbane	5:05 am
Adelaide	4:35 am
Perth	3:05 am
Darwin	4:35 am

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

Online alarm clock for 5:05 am

Preparing the night before for a 5:05 am alarm gives you breathing room before an early flight from an airport outside the city. Set out your clothes, check the route and place your bags by the door while you are still alert. If you need to leave closer to 6:00 am, this alarm can mark the point when final checks begin rather than the moment you start packing.

Your airport departure could be missed if the alarm cannot make a sound: silent mode, a closed browser page or a sleeping phone may prevent it from alerting you. Check the device’s sound setting and volume when you set the time, then leave the browser open and the device awake and connected to power. A brief test alarm beforehand confirms whether the sound is audible from where you plan to sleep.

Before a pre-dawn drive to an out-of-town terminal, keep food simple and prepare water the evening before. At 5:05 am, something easy to carry, such as toast, fruit or a muesli bar, may suit the limited time better than cooking a full breakfast. Leave a hot drink until you are properly awake or can have it safely before setting off, and keep the bottle somewhere it will not roll around in the car.

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.