Set the alarm clock for 9:53 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 9:51 am Alarm clock for 9:52 am Alarm clock for 9:54 am Alarm clock for 9:55 am

Going to bed for a 9:53 am alarm

Asleep by 12:38 am — 6 full sleep cycles, about 9 hours
Asleep by 2:08 am — 5 full sleep cycles, about 7 hours
Asleep by 3:38 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.

9:53 am across the country

London	9:53 am
Birmingham	9:53 am
Manchester	9:53 am
Glasgow	9:53 am
Belfast	9:53 am

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

How to use the online alarm clock

Wrap up what you are doing and leave for home now, so you are there to meet the district nurse. Set the alarm for 9:53 am as a clear prompt to stop, gather your things and head back. With 10:00 am approaching, those few minutes can also cover a quick check that the entrance is accessible and your phone is nearby.

Because the prompt may arrive while your handset is on silent, check its sound setting and alarm volume before relying on it. A muted phone can turn the visual alert into something easy to miss when it is in a pocket or bag. Keep this browser alarm open and the handset awake: if the browser is closed or the phone sleeps, no sound will mark the district nurse’s arrival preparations. A separate built-in phone alarm is a sensible backup if you will be travelling.

Arriving home during the late morning may affect anyone working, resting or taking calls elsewhere in the house. Let them know that the district nurse is expected around this time, and choose an alarm tone that you can hear without startling everyone. At 9:53 am, a brief vibration paired with moderate sound can give you the prompt while keeping disruption in shared rooms low.

Common questions

Can I change the sound?

Yes, there is a short list of tones to pick from before you press Start. Softer sounds are easy to sleep through, so a firmer bell tends to be the safer choice for anything early in the morning.

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.