Set the alarm clock for 2:34 am

 

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

The alarm goes off in: ::
 
 

2:34 am across the country

Sydney2:34 am
Brisbane2:34 am
Adelaide2:04 am
Perth12:34 am
Darwin2:04 am

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

How to use the online alarm clock

Three in the morning has its own kind of silence, and an alarm for 2:34 am breaks it on purpose. Whether you're catching a pre-dawn flight or grabbing a short nap before a long haul, this tool rings at 2:34 am through your browser so you're not relying on a phone across the room.

Select a sound, hit Start, and that's the whole setup. The countdown runs inside this browser tab rather than on your device's operating system, so it needs to remain open, on a phone or laptop, until the alarm actually goes off.

This works well as a second alarm, one that isn't tangled up with phone notifications, do-not-disturb settings, or low battery. It genuinely won't ring if the tab gets closed or the device goes to sleep, so treat it as a backup or a work-desk tool rather than the only alarm for something important. On a 24-hour clock 2:34 am is written 02:34, and spoken aloud it's twenty-six minutes to three at night. Timetables and rosters may show it as 02:34, and handwritten notes as 2.34 am. Whether you would say set alarm for 2:34 am or put an alarm on for 2:34 am, the steps are the same: pick a sound, press Start, leave the tab open.

Common questions

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.

Is there a cost to use this?

No, it's free, with no sign-up and no limit on how many times you set it. It just needs the tab left open until the time you've chosen arrives.

Will the alarm still ring if I close the browser tab?

No. The alarm only runs while this tab stays open — closing it, or closing the browser entirely, stops the countdown before it can ring. Keep the tab open in the background if you need it to go off later.

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.