How to use the online alarm clock
As you finish your tea and leave to open the workshop in the railway arch, a 10:40 am alarm marks the moment to collect your keys and set off. That gives the morning a clear turning point before 11:00 am, without making you watch the clock while checking that everything needed for opening is with you.
The railway arch may echo sharply when shutters move and trains pass overhead, so match the alarm tone to that setting. A softer sound suits a quiet room while you prepare to leave; a more persistent tone is easier to notice if tools, traffic or conversation are competing for attention. Set a volume that is distinct without being startling. Keep the alarm running and your phone awake, otherwise the workshop could remain locked because the alert may not sound.
On the way to the railway arch, changing morning light can affect how easily you spot keys, locks and uneven ground at the entrance. At 10:40 am, cloud may still make the space beneath the arch gloomy even when the street outside looks bright. Put a small torch somewhere reachable before leaving, and plan to switch on the workshop lights before handling equipment or lifting the shutters.
Common questions
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.
What happens if my laptop goes to sleep before 10:40 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.