Set the alarm clock for 9:29 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 9:27 am Alarm clock for 9:28 am Alarm clock for 9:30 am Alarm clock for 9:31 am

Going to bed for a 9:29 am alarm

Asleep by 12:14 am — 6 full sleep cycles, about 9 hours
Asleep by 1:44 am — 5 full sleep cycles, about 7 hours
Asleep by 3:14 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.

9:29 am across the country

London	9:29 am
Birmingham	9:29 am
Manchester	9:29 am
Glasgow	9:29 am
Belfast	9:29 am

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

How to use the online alarm clock

With a 9:29 am start planned, there is time to prepare for a circular walk before setting off on the public footpath. Boots can be laced, a light layer packed and the route checked while everything is still unhurried. Starting then also leaves 31 minutes of walking before 10:00 am, a useful point for checking progress against the chosen circuit.

While the route is being prepared, the alarm page may be left behind another browser tab, where it should remain open and active in the browser. Keeping the sound turned up makes the alert easier to notice while looking at an online map or weather forecast. The walk alarm will not sound if the page has been closed or the phone or computer has gone to sleep, so relying on it after putting the device away could mean missing the planned departure.

Before stepping onto the public footpath this morning, a small breakfast or familiar snack is more practical than saving a large meal for the final minute. Water can go into a reusable bottle, and a flask suits a cooler British morning. Anything messy or requiring preparation is easier to leave until after the circuit, especially when the 9:29 am start is meant to be prompt.

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 9:29 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.