Set the alarm clock for 3:54 pm

 

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

The alarm goes off in: ::
 
 

3:54 pm across the country

London3:54 pm
Birmingham3:54 pm
Manchester3:54 pm
Glasgow3:54 pm
Belfast3:54 pm

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

Online alarm clock for 3:54 pm

You are just waking at 3:54 pm, so give yourself a moment before getting up to return the tool to the library of things. Setting the alarm for this exact time leaves a short, manageable stretch before 4:00 pm, enough to gather the tool and check that every loose part is with it.

A quiet return calls for an alarm tone that fits the room around you. Choose a soft sound if someone nearby is reading or working, but use a more insistent tone if you are likely to drift back to sleep. Keep the alarm page active and your computer or phone awake: otherwise the alert may not sound, and the tool could remain at home instead of reaching the library. Set the volume before settling down so the chosen tone is clearly audible without being unnecessarily harsh.

Carrying the tool out in the late afternoon may coincide with rising street noise as schools finish and commuters begin moving. Put keys, any library card and the tool together near the door, where they will not disappear among coats or bags. If the surroundings become louder towards 4:00 pm, keep the phone close enough to hear the alarm rather than leaving it across the room.

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.