Online alarm clock for 12:22 pm
Before handing the car check to someone else, set the 12:22 pm alarm as the clear changeover point. They can check whether the cabin, steering wheel and child seats have become too hot in the Australian sun, while you finish what you were doing. That still leaves a useful stretch before 1:00 pm for moving the car into shade or opening it safely.
Because this reminder may arrive while the phone is on silent, check the alarm volume separately and use vibration if that will be noticeable. A quick test sound can prevent the handover from relying on a setting that mutes alerts. If the browser session ends or the phone falls asleep, the alarm may not sound, so the car check needs another reminder when missing it could leave the vehicle heating for longer.
Whoever takes over should know that a midday alert can affect other people in the house, especially anyone resting, working, or settling a child. Keep the phone close enough for the responsible person to notice vibration rather than placing it in a shared room at full volume. At 12:22 pm, sunlight can already be strong, so agree beforehand who will go outside and where the keys are kept.
Common questions
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.
Does the alarm work if my laptop goes to sleep?
Not reliably. If the device sleeps or the screen locks, the browser tab pauses along with it, so the alarm may not fire on time or at all. Adjust your power settings if you're relying on this over a longer stretch.
Do I need to create an account or download anything?
No, there's nothing to sign up for and nothing to install. Pick a time and a sound, press Start, and it runs entirely in this browser tab.
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