Set the alarm clock for 12:07 am

 

Leave this tab open — the alarm only rings while the tab stays open.

The alarm goes off in: ::
 
 

12:07 am across the country

Sydney12:07 am
Brisbane12:07 am
Adelaide11:37 pm
Perth10:07 pm
Darwin11:37 pm

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

Online alarm clock for 12:07 am

While you are getting ready early for a London call, set the alarm for 12:07 am before sorting out your notes, headphones and a quiet spot. From Australia, the people you are calling are still in yesterday’s working day, so checking their date as well as their local time can prevent confusion. With 53 minutes until 1:00 am, there is room to prepare without treating the round hour as your deadline.

Your London call needs an audible cue, so test the alarm volume now and check whether silent mode suppresses browser sounds on your phone. Choose 12:07 am, start the alarm, then play a brief test if the controls provide one. The London call could pass without an alert if this browser page is closed or the phone falls asleep, so keep it active and use a separate phone alarm as backup when missing the time would matter.

Before settling in to wait for the call, adjust the light around you rather than leaving that decision until the alarm sounds. A bright ceiling light at 12:07 am may feel harsh, while a dim lamp can make notes and controls difficult to see. Set a moderate light near your workspace, reduce glare on the screen, and leave the switch within reach so the room is ready before 1:00 am.

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.