Set the alarm clock for 7:40 am

 

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

The alarm goes off in: ::
 
 

Going to bed for a 7:40 am alarm

  • Asleep by 10:25 pm — 6 full sleep cycles, about 9 hours
  • Asleep by 11:55 pm — 5 full sleep cycles, about 7 hours
  • Asleep by 1:25 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.

7:40 am across the country

Sydney7:40 am
Brisbane7:40 am
Adelaide7:10 am
Perth5:40 am
Darwin7:10 am

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

Online alarm clock for 7:40 am

You’re waking at 7:40 am with the trailer still to be hitched and checked before the day heats up. The alarm gives you a clear starting point without pretending the trip has already begun. That leaves a practical 20-minute window before 8:00 am for getting dressed, filling a water bottle and confirming the lights and coupling before heading out.

A trailer departure can call for either a gentle wake-up or a tone that cuts through lingering sleep. Choose the softer sound if someone nearby is still resting and you usually wake easily; use the more persistent option if missing the departure window would leave you towing in hotter conditions. Set the volume beforehand and leave the alarm running where it can continue working. If the browser stops running or the phone goes to sleep, the trailer departure may pass without an alert.

Before stepping outside, allow for how different the early air can feel from the forecast temperature alone. At 7:40 am, humidity may make loading straps and handling the hitch feel warmer or stickier than expected, even before direct sun reaches the driveway. Keep drinking water accessible in the cab, and give yourself a moment to clear condensation from mirrors or windows before pulling the trailer onto the road.

Common questions

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.

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.