Set the alarm clock for 6:03 pm

 

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

The alarm goes off in: ::
 
 

6:03 pm across the country

London6:03 pm
Birmingham6:03 pm
Manchester6:03 pm
Glasgow6:03 pm
Belfast6:03 pm

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

How to use the online alarm clock

Getting ready now for a trip to the chemist makes the 6:03 pm alarm a useful backstop rather than a last-minute warning. There are 57 minutes until 7:00 pm, enough time to check the local closing time, gather any prescription details and leave with a sensible margin for an earlier-than-usual closing hour.

For this chemist trip, the alarm should remain open in the browser after it has been set. If that page or the browser is closed, or the phone goes to sleep, the alert may not sound, leaving the planned departure without its reminder. Keeping the page visible and the phone awake gives the browser alarm the conditions it needs; a separate phone alarm can provide backup if the browser cannot stay active.

Someone heading out at 6:03 pm may find the late-afternoon air feels close even when the temperature looks mild, particularly on a humid British day. A light, breathable layer is easier to adjust than a heavy coat, while a compact waterproof can cover a sudden shower. Checking the humidity and rain forecast before leaving also helps with choosing a comfortable walking pace and deciding whether extra travel time is sensible.

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.