Online alarm clock for 2:29 pm
As you finish what you are doing and leave for a lunchtime concert at the cathedral, set the alarm for 2:29 pm so your departure does not drift. The alert gives you a clear cue to put things away, collect your bag and start walking. With 3:00 pm approaching, you still have time to reach the cathedral and settle quietly before the music begins.
Your cathedral visit depends on the alarm remaining active after you have set it. Keep this page open and leave your browser running: if either is closed, the concert alarm will not sound, and a phone or laptop that goes to sleep may also prevent the alert. Check that the volume is audible before stepping away, then keep the device connected to power if its battery is low. A quick glance at the displayed time confirms that 2:29 pm is selected.
Leaving for the cathedral around midday can mean moving between outdoor heat and strongly air-conditioned buses, trains or buildings. Carry a light extra layer that fits easily into your bag, particularly if you expect to sit beneath an air vent during the concert. Use the minutes before departure to fill a water bottle and choose a shaded walking route where practical, rather than waiting outside in direct sun once you arrive.
Common questions
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.
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.
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