Set the alarm clock for 10:34 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 10:32 am Alarm clock for 10:33 am Alarm clock for 10:35 am Alarm clock for 10:36 am

Going to bed for a 10:34 am alarm

Asleep by 1:19 am — 6 full sleep cycles, about 9 hours
Asleep by 2:49 am — 5 full sleep cycles, about 7 hours
Asleep by 4:19 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.

10:34 am across the country

London	10:34 am
Birmingham	10:34 am
Manchester	10:34 am
Glasgow	10:34 am
Belfast	10:34 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 10:34 am gives you a clear starting point before taking your child to the library group. Set the alarm now, then check when the session begins and allow time for breakfast, dressing and the journey. If you need to be moving by 11:00 am, treat that round hour as your firm departure marker rather than the moment to start getting ready.

Your library-group alarm may seem silent if its sound has been routed to headphones without you noticing, so check the audio destination and volume before relying on it. A quick test sound can reveal whether the alert will come from the phone or through earbuds left in a coat pocket. This browser reminder also needs the page kept active and the phone awake; otherwise the library alarm will not sound and the planned departure could slip past unnoticed.

Before leaving for a late-morning library session, look at the outdoor humidity as well as the temperature. Damp air can make a mild British morning feel different from the number shown in the forecast, particularly during the walk or while waiting for a bus. A light layer that is easy to remove keeps the choice flexible, and packing a small rain cover for books or a pushchair is sensible when the air already feels heavy.

Common questions

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 10:34 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.

Do I need an account or an app?

Neither. Choose a time and a sound, press Start, and it runs in this browser tab. Nothing is downloaded, nothing is registered, and closing the page leaves nothing behind on the device.