Set the alarm clock for 3:27 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 3:25 am Alarm clock for 3:26 am Alarm clock for 3:28 am Alarm clock for 3:29 am

Going to bed for a 3:27 am alarm

Asleep by 6:12 pm — 6 full sleep cycles, about 9 hours
Asleep by 7:42 pm — 5 full sleep cycles, about 7 hours
Asleep by 9:12 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.

3:27 am across the country

Sydney	3:27 am
Brisbane	3:27 am
Adelaide	2:57 am
Perth	1:27 am
Darwin	2:57 am

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

Online alarm clock for 3:27 am

You have just woken at 3:27 am in the camper, with the campsite still dark and the pack-up not yet started. This alarm marks the moment to sit up, find your torch and begin stowing the bedding before handling anything outside. Starting now leaves a calm 33-minute window to bring the awning in, secure loose gear and have the camp packed by 4:00 am.

Before relying on the alarm for the camper pack-up, use the sound check and confirm that silent mode will not mute what you expect to hear. Set a clear volume, then leave the browser alarm running where it can continue operating. If the browser session ends or the phone goes to sleep, the camper departure may receive no alarm at all, so use a separate alarm as backup when timing matters.

While breaking camp before dawn, keep the air conditioner running only as long as the camper remains safely set up and closed. Even at this hour, warm Australian conditions can make packing uncomfortable once cool air escapes. Move indoor gear first, keep drinking water within reach, and switch the air conditioner off just before disconnecting power or preparing to drive.

Common questions

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.

Can I set more than one alarm at a time?

This page is built around a single alarm at a time. For multiple alarms, open a separate tab for each one and set a different time in each, keeping every tab open until it's rung.

Why use a browser alarm instead of my phone's built-in one?

Mainly for reliability against silent mode, do-not-disturb, or a phone left charging out of earshot. It's a useful backup or a desk-based alternative, though it depends on this tab staying open rather than running in the background of your phone.