Set the alarm clock for 4:35 pm

 

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

The alarm goes off in: ::
 
 

4:35 pm across the country

London4:35 pm
Birmingham4:35 pm
Manchester4:35 pm
Glasgow4:35 pm
Belfast4:35 pm

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

How to use the online alarm clock

While you are getting ready for an early-closing pharmacy, set the 4:35 pm alarm before the afternoon slips away. It leaves a useful marker ahead of 5:00 pm: enough time to collect your keys, check the prescription or shopping note, and work out the quickest route without rushing at the last moment.

Your pharmacy trip determines whether the alert should be gentle or hard to miss. A softer tone suits a quiet room where your phone is beside you; a more insistent sound makes sense if you are packing a bag, finishing household jobs, or moving between rooms. Set the volume for where you expect to be at 4:35 pm, then keep the alarm running and your phone awake, or the pharmacy reminder may not sound when you need to leave.

Before heading out in the late afternoon, allow for the sharp change between indoor air conditioning and outdoor heat. Put anything that must stay cool in an appropriate insulated bag, keep the prescription note easy to reach, and avoid leaving medicines in a parked car. At 4:35 pm, placing your keys and bag by the door turns the alert into a clear departure cue rather than another sound to dismiss.

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 4:35 pm?

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.