How to use the online alarm clock
You are finishing what you are doing and heading out for an NHS night shift, so a 1:45 am alarm marks the moment to leave rather than the moment to start getting ready. It provides a clear final cue before 2:00 am, helping you avoid lingering over one last task when the roads, entrance procedures and handover still lie ahead.
For this departure, the alarm needs to remain active in the browser until it sounds. Closing the page or quitting the browser means the NHS night shift reminder will not ring; it also cannot wake a computer or phone that has gone to sleep. Keeping the page open and the screen awake makes the alert available, while the displayed time confirms that 1:45 am is the selected setting.
Leaving during the night can make small delays feel harmless, yet they quickly consume the buffer before the next commitment. Treat the fifteen minutes between 1:45 am and 2:00 am as reserved margin for collecting your pass, checking essentials and getting through the door. If everything is already packed, that same gap allows a calm departure without borrowing time from travel or the start of the shift.
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 1:45 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.
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