How to use the online alarm clock
Break away from what you are doing at 12:12 pm to check the tide time for the Cornish cove you have in mind. Setting the alarm now gives the interruption a clear purpose, so you can look up the relevant high or low water rather than letting the task slip while you carry on. There are 48 minutes until 1:00 pm, leaving a useful window to note the result and finish your current activity.
Your tide check depends on the alarm having a chance to sound. Keep this browser page active and prevent the phone or computer from going to sleep; if either is unavailable at 12:12 pm, the tide reminder may pass silently. Set the volume to a level you will hear from where you are working, then leave the alarm visible so its status is easy to confirm.
Once you have checked the Cornish cove, write the tide time beside whatever comes next today. Midday plans can bunch together quickly, so keep a small buffer for packing, walking to the car, or sending a message before the next commitment. That spare time makes the 12:12 pm reminder part of the day’s plan rather than another interruption competing with it.
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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