How to use the online alarm clock
You are only just waking, with the Changing of the Guard at the palace still ahead of you. An alarm set for 1:54 pm gives you a clear cue to get up, check the ceremony time and gather what you need before leaving. By 2:00 pm, you can be dressed and working out the route rather than drifting back to sleep.
Your palace plans should guide the sound you choose for the alarm. A softer tone may suit a quiet room if you usually wake readily, while a more persistent sound makes sense if you are likely to dismiss a gentle chime without noticing. Set the volume where it will be audible from the bed. This browser alarm sounds only while it remains active, so ending its session or letting the computer sleep could leave your palace outing without its wake-up cue.
Getting to the palace after 1:54 pm may take longer than the map’s distance suggests, particularly through central London around lunchtime. Allow for traffic, busy Tube platforms and the walk from the station to the viewing area. Check the live journey time once you are upright, then leave some margin for finding a suitable place among the midday crowds.
Common questions
What happens if my laptop goes to sleep before 1:54 pm?
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.
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.
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