Set the alarm clock for 1:31 am

 

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

The alarm goes off in: ::
 
 

1:31 am across the country

Sydney1:31 am
Brisbane1:31 am
Adelaide1:01 am
Perth11:31 pm
Darwin1:01 am

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

Online alarm clock for 1:31 am

You are midway through an overnight fire brigade duty when the 1:31 am alarm needs to pull you away from the current job. Set it for the exact minute rather than waiting for 2:00 am, especially if the alarm marks a crew change, equipment check or scheduled departure. The 29-minute window can then remain available for finishing the task already under way and briefing the next person.

For a fire brigade shift, an untested sound is a weak cue when attention may be on radios, paperwork or station activity. Try the alarm ahead of time at the volume and distance you expect to use, and confirm that it can be heard over the room’s usual background noise. The fire brigade handover could be missed if the browser alarm is no longer running, so retain the station’s normal alert system as the primary signal.

If this alarm marks a trip away from the station, estimate the drive using overnight conditions rather than a daytime travel time. Roads may be quieter around 1:31 am, but roadworks, wildlife and reduced visibility can still slow a route in regional or outer-suburban areas. Allow a small buffer, check the vehicle and route before departure, and treat an unusually empty road as a reason for steady attention rather than extra speed.

Common questions

Is this alarm accurate across daylight saving time?

It uses your device's local clock, so as long as your computer's time and date settings are correct, it'll adjust automatically when daylight saving time starts or ends.

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.