Set the alarm clock for 11:55 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 11:53 am Alarm clock for 11:54 am Alarm clock for 11:56 am Alarm clock for 11:57 am

Going to bed for a 11:55 am alarm

Asleep by 2:40 am — 6 full sleep cycles, about 9 hours
Asleep by 4:10 am — 5 full sleep cycles, about 7 hours
Asleep by 5:40 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.

11:55 am across the country

Sydney	11:55 am
Brisbane	11:55 am
Adelaide	11:25 am
Perth	9:55 am
Darwin	11:25 am

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

Online alarm clock for 11:55 am

Waking at 11:55 am leaves little room to prepare before starting a round of client visits. With 12:00 pm approaching, use the alarm as a firm cue to get out of bed, check today’s route and gather any samples or paperwork. Five minutes is enough to move from waking up to making the first practical decision about the morning.

Your client schedule depends on hearing the alert, so consider what may happen if the phone goes idle while you are getting ready. A sleeping phone can suspend the browser before the selected time, which means this alarm may not sound for your client visits. Keep the phone awake and the browser running, or set a separate system alarm as a backup before putting it down.

Late-morning Australian light can create strong glare when you check addresses, notes and appointment times. Turn away from a bright window, lower the screen brightness to a comfortable level and increase the text size if details feel cramped. A quick glance should be enough at 11:55 am; save longer screen reading until you are properly awake and settled before leaving for the first client.

Common questions

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.

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.