Set the alarm clock for 4:01 am

 

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

The alarm goes off in: ::
 
 

Going to bed for a 4:01 am alarm

  • Asleep by 6:46 pm — 6 full sleep cycles, about 9 hours
  • Asleep by 8:16 pm — 5 full sleep cycles, about 7 hours
  • Asleep by 9:46 pm — 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.

4:01 am across the country

Sydney4:01 am
Brisbane4:01 am
Adelaide3:31 am
Perth2:01 am
Darwin3:31 am

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

Online alarm clock for 4:01 am

While you’re halfway through packing bedding and stowing loose gear, a 4:01 am alarm gives you a firm cue to break away and finish folding the camper before dawn. It leaves enough time to secure the awning, check the campsite and prepare for departure before 5:00 am, without relying on a vague plan to wake early.

With other campers sleeping nearby, you may have headphones connected so the alarm stays quiet around the site. Check where your phone or computer is sending audio before settling down, as the sound can slip into headphones without you noticing. Set a sensible volume and run a brief test through the same output you will use overnight. If the browser session ends or the phone goes to sleep, the alarm may not sound and your camper could still be set up when you meant to leave.

Breaking camp at 4:01 am means working in deep night, when even familiar clips, ropes and storage latches can disappear into shadow. Place a head torch within reach before bed, aim a low camp light towards the awning fittings, and keep spare batteries beside it. Shield the beam from neighbouring sites and avoid shining it towards tents or passing drivers while you pack.

Common questions

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.

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.