How to use the online alarm clock
Pause what you are doing and set the alarm for 1:01 am, so you have a clear signal to leave for your NHS night shift. It gives you a firm stopping point while you finish the task in front of you, gather your work pass and check that you have everything needed. The alert also leaves 59 minutes before 2:00 am, rather than letting the next round hour become an accidental deadline.
Your NHS shift could be delayed if the alarm sound is routed to headphones that you have put down or left in another room. Check the audio destination after setting 1:01 am, then play a brief test sound and leave the volume at a level you can hear from where you are busy. If the browser is no longer running or the machine falls asleep, this alarm will remain silent, so keep a separate backup for leaving on time.
Stepping outside for a night shift can feel noticeably different from the room you have just left. Before 1:01 am, check the local humidity and conditions, especially if the air is damp, foggy or sharply cold. A light outer layer can help with the walk to the car, bus stop or station, while a few minutes near an open window can make the change in temperature less abrupt.
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.
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