How to use the online alarm clock
As you hand the Royal Mail run to someone else at 10:48 am, make the handover specific: which parcel is ready, where it is, and which postbox or branch they need. An alarm for 11:00 am gives them a clear final checkpoint before the collection, without relying on either person to keep watching the clock.
A parcel deadline can be missed if the alert is too quiet for the room around it. The alarm volume should be checked against nearby conversation, a radio, traffic through an open window, or noise from packing materials, since any of these may cover the signal. Keep the browser running and the phone or computer awake; otherwise the parcel reminder may make no sound, leaving the person taking over unaware that collection time is close.
Before the parcel changes hands, notice whether late-morning sunlight is falling across the screen. Glare can make the alarm display harder to read at a quick glance, especially near a bright window. Turning the screen away from direct light, drawing a blind slightly, or raising the display brightness beforehand makes the 11:00 am alert easier to spot while the remaining packing and handover details are being finished.
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 10:48 am?
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.
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