Online alarm clock for 12:09 am
While you wait for the planned 12:09 am check, the alarm gives you a clear moment to confirm the watering is switched off before the restriction begins. There is no need to keep estimating the time while you finish another small job. If everything is already settled, 1:00 am can remain the point when you finally stop watching the clock.
A quiet-house watering check makes silent mode easy to overlook, especially if the phone was muted earlier in the evening. The selected alarm may appear correctly on screen yet make no audible warning, so checking the sound setting and alarm volume beforehand avoids relying on vibration alone. If the browser page is closed or the phone or laptop goes to sleep, the alarm cannot sound, and the watering check may be missed.
Moving between a dark garden and a bright screen at 12:09 am can feel unnecessarily harsh. A low screen brightness and warmer display setting provide enough visibility to confirm the alarm without flooding the area with light. Leaving a small outdoor light on near the irrigation controls can also reduce repeated glances at the phone while you verify that the tap, controller or sprinkler switch is off.
Common questions
Can I set more than one alarm at a time?
This page is built around a single alarm at a time. For multiple alarms, open a separate tab for each one and set a different time in each, keeping every tab open until it's rung.
Why use a browser alarm instead of my phone's built-in one?
Mainly for reliability against silent mode, do-not-disturb, or a phone left charging out of earshot. It's a useful backup or a desk-based alternative, though it depends on this tab staying open rather than running in the background of your phone.
Is there a cost to use this?
No, it's free, with no sign-up and no limit on how many times you set it. It just needs the tab left open until the time you've chosen arrives.
Will the alarm still ring if I close the browser tab?
No. The alarm only runs while this tab stays open — closing it, or closing the browser entirely, stops the countdown before it can ring. Keep the tab open in the background if you need it to go off later.
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