Set the alarm clock for 10:17 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 10:15 am Alarm clock for 10:16 am Alarm clock for 10:18 am Alarm clock for 10:19 am

Going to bed for a 10:17 am alarm

Asleep by 1:02 am — 6 full sleep cycles, about 9 hours
Asleep by 2:32 am — 5 full sleep cycles, about 7 hours
Asleep by 4:02 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.

10:17 am across the country

Sydney	10:17 am
Brisbane	10:17 am
Adelaide	9:47 am
Perth	8:17 am
Darwin	9:47 am

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

Online alarm clock for 10:17 am

Getting ready to connect with the Melbourne office is easier when 10:17 am is already marked, before the conversation becomes urgent. The alarm leaves time to check your notes, open the relevant documents and confirm who is joining. If the discussion runs toward 11:00 am, that preparation also keeps the next part of the morning from becoming rushed.

While the Melbourne office is still waiting for you to join, the alarm can remain set as you work elsewhere in the browser. A background tab may be slowed by browser settings, so keeping this page visible nearby gives it a clearer chance to run on time. If the browser is closed or the computer falls asleep, the alarm for the Melbourne office will not sound, which could leave colleagues waiting.

A 10:17 am alert can carry through a quiet house, especially when someone works nights, studies late or has a young child settling nearby. For this morning conversation, a moderate volume and a brief sound are usually enough when the screen is within reach. Headphones may suit a shared room, provided they will still be worn when the alarm is due.

Common questions

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.

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.