Set the alarm clock for 10:15 am

 

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

The alarm goes off in: ::
 
 

Going to bed for a 10:15 am alarm

  • Asleep by 1:00 am — 6 full sleep cycles, about 9 hours
  • Asleep by 2:30 am — 5 full sleep cycles, about 7 hours
  • Asleep by 4:00 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.

10:15 am across the country

Sydney10:15 am
Brisbane10:15 am
Adelaide9:45 am
Perth8:15 am
Darwin9:45 am

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

Online alarm clock for 10:15 am

Hand the university exam arrangements to the next person at 10:15 am, while there is still time to confirm the room, student ID and trip to campus. The alarm marks the moment you step back and they take responsibility, rather than leaving the changeover vague. With 11:00 am approaching, the remaining part of the morning can absorb a missed bus or a final check of what needs to go.

For this university exam handover, set the alarm volume high enough to be heard over conversation, a television or kitchen noise, then test it from the place where the other person will be waiting. A signal that sounds clear beside the phone may disappear across the room. The university exam alarm can only sound while this page remains open and the computer or phone stays awake; closing it or letting it sleep could leave the changeover without a warning.

Because the 10:15 am handover happens while many Australian households are still active, tell housemates that a brief alarm is expected and keep the speaker away from shared walls. If someone works nights, studies nearby or has a sleeping child, use a moderate audible setting and place the phone closer to the person taking over. That keeps the morning reminder useful without making everyone else part of the university exam schedule.

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.