Set the alarm clock for 4:42 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 4:40 am Alarm clock for 4:41 am Alarm clock for 4:43 am Alarm clock for 4:44 am

Going to bed for a 4:42 am alarm

Asleep by 7:27 pm — 6 full sleep cycles, about 9 hours
Asleep by 8:57 pm — 5 full sleep cycles, about 7 hours
Asleep by 10:27 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.

4:42 am across the country

Sydney	4:42 am
Brisbane	4:42 am
Adelaide	4:12 am
Perth	2:42 am
Darwin	4:12 am

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

Online alarm clock for 4:42 am

You’re handing the night-delivery pickup to someone else, so the 4:42 am alarm becomes part of a clear changeover rather than your own wake-up cue. Pass on the collection details before you finish, including where the parcel will be waiting and who is expected to collect it. That leaves a useful margin before 5:00 am for the other person to get ready and check the handover notes.

For this changeover, the alarm should run on a phone or computer that will remain active until 4:42 am. A screen that dims is usually fine, but a device that enters sleep early may silence the alert completely. If the browser page is closed, or the phone or computer goes to sleep, no alarm will sound and the parcel collection may be missed. Setting a separate device alarm gives the person taking over another cue.

A pre-dawn collection can move between warm outdoor air and heavily cooled indoor spaces. At 4:42 am, place a light layer beside the keys or collection paperwork so the person taking over does not have to search for it while leaving. If the air conditioner makes the room feel especially cool, keeping shoes and outerwear away from its direct airflow can make the handover quicker and less distracting.

Common questions

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.

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.