Set the alarm clock for 11:23 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 11:21 am Alarm clock for 11:22 am Alarm clock for 11:24 am Alarm clock for 11:25 am

Going to bed for a 11:23 am alarm

Asleep by 2:08 am — 6 full sleep cycles, about 9 hours
Asleep by 3:38 am — 5 full sleep cycles, about 7 hours
Asleep by 5:08 am — 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.

11:23 am across the country

Sydney	11:23 am
Brisbane	11:23 am
Adelaide	10:53 am
Perth	9:23 am
Darwin	10:53 am

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

Online alarm clock for 11:23 am

As you finish up and head out, an alarm for 11:23 am can mark the moment to leave for the site after the morning traffic has eased. It gives you a clear departure point without repeatedly checking the clock, while still leaving 37 minutes before 12:00 pm for the drive and any final preparations.

Your site departure depends on hearing the alert, so a quick signal check beforehand is more useful than discovering a muted alarm at 11:23 am. Set a near-term test, confirm that the tone is clearly audible above nearby conversation or equipment, then return the alarm to the required time. If the browser page is closed or your phone or laptop goes to sleep, the alarm will not sound and the trip to the site may start late.

Heading out near midday can mean stepping from strong air conditioning into sharp Australian heat. Keeping a water bottle and sun protection with your keys reduces last-minute searching, and setting the car’s ventilation before loading gear makes the transition less abrupt. At 11:23 am, allowing the cabin a brief moment to cool can also make the post-traffic drive more comfortable.

Common questions

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.

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.