Set the alarm clock for 3:09 am

 

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

The alarm goes off in: ::
 
 

Going to bed for a 3:09 am alarm

  • Asleep by 5:54 pm — 6 full sleep cycles, about 9 hours
  • Asleep by 7:24 pm — 5 full sleep cycles, about 7 hours
  • Asleep by 8:54 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.

3:09 am across the country

London3:09 am
Birmingham3:09 am
Manchester3:09 am
Glasgow3:09 am
Belfast3:09 am

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

How to use the online alarm clock

Waking at 3:09 am gives you a quiet moment to get your bearings before starting the morning buns for the tearoom. There is enough time to wash, dress and check the kitchen plan without rushing straight from bed to the mixing bowl. By 4:00 am, the first dough can be under way and the early baking schedule still feels manageable.

Because this alarm marks the point when baking needs to begin, the browser must remain open until it sounds. If the browser is closed, the alarm cannot ring, so the buns may go into production later than planned; it also cannot wake a phone or laptop that has gone to sleep. Keeping the alarm page visible and the sound turned up makes the setup easier to check before settling down for the night. A separate phone alarm provides useful backup for a start this early.

Before the tearoom kitchen warms up, the outside air at this hour may feel damp as well as cold, particularly on a misty British morning. A light layer near the back door helps when bringing in supplies, while closed ingredient containers keep flour and sugar away from humid air. At 3:09 am, a quick look outside can also show whether wet paving will slow those first trips between the car and kitchen.

Common questions

Will it still be right when the clocks change?

Yes. It reads your device's local clock, so the move between GMT and BST at the end of March and October is picked up automatically, as long as the computer's date, time and time zone are set correctly.

Can I use this on a phone?

It works in a mobile browser, but phones lock the screen and suspend background tabs far more readily than a laptop does, which can stop the alarm sounding. For anything important, a desktop or a plugged-in laptop is the steadier option.

Does the alarm still work if I close the tab?

No. Everything runs inside this page, so closing the tab — or quitting the browser altogether — ends the countdown there and then. Leaving it open in the background is all it asks, and switching to another tab makes no difference.

What happens if my laptop goes to sleep before 3:09 am?

The tab sleeps along with it and the alarm will not sound on time, if at all. If you are relying on it, change the power settings so the machine stays awake, or keep a phone alarm running as well.