Set the alarm clock for 11:52 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 11:50 am Alarm clock for 11:51 am Alarm clock for 11:53 am Alarm clock for 11:54 am

Going to bed for a 11:52 am alarm

Asleep by 2:37 am — 6 full sleep cycles, about 9 hours
Asleep by 4:07 am — 5 full sleep cycles, about 7 hours
Asleep by 5:37 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.

11:52 am across the country

Sydney	11:52 am
Brisbane	11:52 am
Adelaide	11:22 am
Perth	9:52 am
Darwin	11:22 am

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

Online alarm clock for 11:52 am

While you’re packing the ute and checking the route, set the alarm for 11:52 am so you can leave for the site after the morning traffic has eased. Preparing it now keeps the departure from becoming a last-minute scramble. The alert lands eight minutes before 12:00 pm, leaving a practical window to put away your coffee, grab the keys and confirm the site address.

Your trip to the site depends on the alarm remaining able to run until 11:52 am. If this page is dismissed or your phone goes to sleep beforehand, no alert will sound for that departure. Leave the page open, keep the phone awake and turn the volume high enough to hear over loading gear or conversation. A quick sound check also helps confirm that silent mode will not swallow the alert.

Because this late-morning departure may lead straight into another commitment, note what must happen after arrival before you leave. Allow a small buffer for finding the entrance, signing in or unloading, then check the start time of the next job that day. That margin makes 11:52 am useful as a departure cue without letting the run to the site consume the rest of the afternoon schedule.

Common questions

Can I use this on my phone instead of a laptop?

Yes, it works in a mobile browser the same way, but phones are more likely to lock the screen or sleep, which can stop the alarm from ringing. A laptop or desktop tends to be more reliable for this.

Can I set more than one alarm at a time?

This page is built around a single alarm at a time. For multiple alarms, open a separate tab for each one and set a different time in each, keeping every tab open until it's rung.

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.