Set the alarm clock for 9:42 am

 

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

The alarm goes off in: ::
 
 

Going to bed for a 9:42 am alarm

  • Asleep by 12:27 am — 6 full sleep cycles, about 9 hours
  • Asleep by 1:57 am — 5 full sleep cycles, about 7 hours
  • Asleep by 3:27 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.

9:42 am across the country

Sydney9:42 am
Brisbane9:42 am
Adelaide9:12 am
Perth7:42 am
Darwin9:12 am

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

Online alarm clock for 9:42 am

As the emergency crew finishes packing up and heads for the vehicle, a 9:42 am alarm gives everyone a clear departure cue. There is enough room before 10:00 am to complete the handover, collect keys and radios, and check that essential gear has made it aboard without turning the final minutes into a scramble.

While the crew closes cupboards and leaves the desk, the alarm page can remain behind other browser tabs and continue counting towards 9:42 am. Keeping the browser active and the sound turned up allows the alert to be heard even when another page is on screen. The alarm cannot alert the crew after the browser session ends or the computer falls asleep, so a separate phone alarm is the safer backup when everyone must leave the station.

A mid-morning departure can affect other people in the house, especially anyone working remotely, settling a child, or sleeping after a night shift. Before 9:42 am, bags and boots can be placed near the door, while radios and keys stay together to reduce searching and noise. A moderate alarm volume, followed by a quick departure, marks the moment without sending repeated sounds through shared rooms.

Common questions

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.

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.