Set the alarm clock for 10:25 am

 

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

The alarm goes off in: ::
 
 

Going to bed for a 10:25 am alarm

  • Asleep by 1:10 am — 6 full sleep cycles, about 9 hours
  • Asleep by 2:40 am — 5 full sleep cycles, about 7 hours
  • Asleep by 4:10 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.

10:25 am across the country

London10:25 am
Birmingham10:25 am
Manchester10:25 am
Glasgow10:25 am
Belfast10:25 am

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

How to use the online alarm clock

While preparing your resident parking permit application ahead of time, set the alarm for 10:25 am as a cue to gather the documents and check the council’s requirements. That leaves a useful stretch before 11:00 am for finding a tenancy record, confirming vehicle details or photographing anything that must be uploaded later.

Your paperwork check can easily continue unnoticed if conversation, traffic outside or a washing machine covers a quiet alert. Set the volume high enough to be heard above the background noise, then play a brief test signal from where you expect to be working. The alarm only remains available while its browser page is open and the computer stays awake; otherwise, the permit application will have no reminder at 10:25 am. A separate phone alarm is sensible if missing that cue would disrupt your preparation.

Permit paperwork at this point in the morning may coincide with a room becoming warmer, particularly during a summer hot spell. If the air conditioning is running, keep papers away from its airflow and allow for the steady fan noise when choosing the alert volume. Place your checklist where it will not be disturbed, keep a drink nearby, and use the remaining time before 11:00 am to review one document category at a time.

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 10:25 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.