Set the alarm clock for 6:51 am

 

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

The alarm goes off in: ::
 
 

Going to bed for a 6:51 am alarm

  • Asleep by 9:36 pm — 6 full sleep cycles, about 9 hours
  • Asleep by 11:06 pm — 5 full sleep cycles, about 7 hours
  • Asleep by 12:36 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.

6:51 am across the country

London6:51 am
Birmingham6:51 am
Manchester6:51 am
Glasgow6:51 am
Belfast6:51 am

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

How to use the online alarm clock

As you hand the Welsh farm’s sheep round over to the next person, set the alarm for 6:51 am so the changeover happens without a vague promise to start shortly. That leaves a clear marker before 7:00 am, giving you both a shared time for passing on the route, any open gates and notes about the flock.

During a farm handover, a visible alarm can be easy to trust while its sound is silently blocked. Check that silent mode is off and raise the volume before putting the phone down, then use the on-screen time to confirm 6:51 am. If the browser alarm is no longer active, it cannot signal the start of the sheep round, so use a separate alarm clock when missing the handover would leave the other person waiting.

A change of hands this early can carry noise through a quiet house, especially when boots, keys and the alarm all compete at once. Keep the phone close enough to stop it promptly, choose a moderate volume, and lay out waterproofs by the door beforehand. At 6:51 am, that reduces rummaging while other people are still asleep and lets the outgoing worker leave without turning the farm handover into a household wake-up.

Common questions

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.

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.