Set the alarm clock for 4:08 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 4:06 am Alarm clock for 4:07 am Alarm clock for 4:09 am Alarm clock for 4:10 am

Going to bed for a 4:08 am alarm

Asleep by 6:53 pm — 6 full sleep cycles, about 9 hours
Asleep by 8:23 pm — 5 full sleep cycles, about 7 hours
Asleep by 9:53 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.

4:08 am across the country

Sydney	4:08 am
Brisbane	4:08 am
Adelaide	3:38 am
Perth	2:08 am
Darwin	3:38 am

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

Online alarm clock for 4:08 am

While preparing for a winter drive to a Victorian ski slope, you can use a 4:08 am alarm to mark the moment for final checks before departure. There is time to place gloves and lift passes with the bags, check the windscreen, and confirm the route before 5:00 am arrives. That early preparation keeps the last few minutes focused on leaving rather than searching through the house.

For this alpine-road start, the alarm needs to remain audible until it fires, so leave the sound level high enough to hear from where you are getting ready. If your phone settles into sleep before 4:08 am, this browser alarm may stay silent, leaving the road to the ski slope without its planned start. A separate alarm on the phone provides a sensible backup when the departure cannot slide, especially if the browser will be unattended while gear is carried outside.

During a dark 4:08 am start, bright light can feel out of place while you check snow gear and keys. A dim screen, warm colour setting, and brief glance at the alarm time reduce the amount of glare in the room. Positioning the phone face down after the alarm is confirmed also keeps its light from filling the bedroom while you finish preparing for the Victorian winter road.

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.