Set the alarm clock for 5:40 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 5:38 am Alarm clock for 5:39 am Alarm clock for 5:41 am Alarm clock for 5:42 am

Going to bed for a 5:40 am alarm

Asleep by 8:25 pm — 6 full sleep cycles, about 9 hours
Asleep by 9:55 pm — 5 full sleep cycles, about 7 hours
Asleep by 11:25 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.

5:40 am across the country

Sydney	5:40 am
Brisbane	5:40 am
Adelaide	5:10 am
Perth	3:40 am
Darwin	5:10 am

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

Online alarm clock for 5:40 am

Getting ready the night before a rugby team training session means setting the 5:40 am alarm while boots, school clothes and a water bottle are still being packed. That early start leaves time to get dressed, eat something and reach the oval before school without turning the morning into a scramble. With 6:00 am approaching soon after the alarm, decide which jobs belong before departure and which can wait until later.

While checking the weather or a team message, the alarm page may be moved behind another browser page. It can remain set in the background, so return to it and confirm that 5:40 am is still displayed and the alarm is armed. Keep the phone volume audible as well. If the browser session ends or the phone goes to sleep, the training alert will not sound, so use a separate alarm if missing the session would leave the team short.

Before an early rugby departure, arrange the bedroom lighting so waking does not begin in complete darkness. Leave a dim lamp within reach, or set a light to switch on shortly before 5:40 am if that option is already available at home. Keep the light low enough that other people can stay asleep, but bright enough to find the packed gear and move safely without searching around.

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.