Set the alarm clock for 7:37 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 7:35 am Alarm clock for 7:36 am Alarm clock for 7:38 am Alarm clock for 7:39 am

Going to bed for a 7:37 am alarm

Asleep by 10:22 pm — 6 full sleep cycles, about 9 hours
Asleep by 11:52 pm — 5 full sleep cycles, about 7 hours
Asleep by 1:22 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.

7:37 am across the country

Sydney	7:37 am
Brisbane	7:37 am
Adelaide	7:07 am
Perth	5:37 am
Darwin	7:07 am

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

Online alarm clock for 7:37 am

Finishing the last setup job and heading out after opening the school pool calls for a firm 7:37 am alarm. It gives you a clear point to stop checking gates, lane ropes and change rooms before the school morning gathers pace. With 8:00 am approaching, the signal can mark the moment to lock up what needs securing and leave the pool ready for the first lessons.

A pool plant room, running water or early grounds work can easily drown out a quiet phone signal. Set the alarm volume high enough to carry over that background noise, then place the phone nearby with its speaker uncovered rather than buried in a bag. Choose a sound you will recognise immediately amid pumps and splashing. This browser alarm will not sound once its page is closed or the phone sleeps, which could delay the pool handover, so keep both active until 7:37 am.

Leaving the school grounds after an early pool opening can mean stepping from cool indoor air into a morning that is already warming up. Strong air conditioning may make the outdoor heat feel sharper, especially during an Australian summer. Keep water ready for the trip, allow the car cabin to air briefly if it has been sitting in the sun, and take a light layer only if the pool area has been noticeably chilled.

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.