Set the alarm clock for 7:54 am

 

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

The alarm goes off in: ::
 
 

Going to bed for a 7:54 am alarm

  • Asleep by 10:39 pm — 6 full sleep cycles, about 9 hours
  • Asleep by 12:09 am — 5 full sleep cycles, about 7 hours
  • Asleep by 1:39 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.

7:54 am across the country

London7:54 am
Birmingham7:54 am
Manchester7:54 am
Glasgow7:54 am
Belfast7:54 am

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

How to use the online alarm clock

Break off from checking the railway replacement timetable at 7:54 am and use this alarm to mark the point when you need to look up. You may be comparing revised departure times, bus connections or platform information, so a signal at 8:00 am gives the task a firm stopping point before it absorbs the rest of the morning.

While the replacement details are open, set the alarm and choose a volume that can be heard above a kettle, radio or conversation nearby. Test the sound if the room is noisy, then keep the volume comfortably clear rather than relying on a faint alert. The alarm cannot interrupt your railway timetable check if its page has been closed or the phone has fallen asleep, so use a separate phone alarm when missing 8:00 am would disrupt your journey.

After noting the revised train or rail-replacement bus, leave only the information needed for the next step visible and put the screen aside. At this early hour, returning to sleep may still be realistic if travel starts later; dim the display, silence unrelated notifications and note the departure time on paper so there is no need to reopen the full timetable. That preserves a calmer stretch of sleep after 7:54 am while keeping the essential journey detail within reach.

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.