Online alarm clock for 12:42 am
As you finish recording the rock temperature before the Uluru trail opens, set the alarm for 12:42 am and pack away your gear. It gives you a clear cue to leave the site rather than keep checking the time while you complete the last note. With 1:00 am approaching, you can close out the reading, confirm it has been logged and be ready to move on.
Your Uluru temperature check depends on the alarm sounding before you head away, so keep the browser active and the device awake until 12:42 am. If either is shut down or goes to sleep first, the alarm cannot sound and may not prompt your departure. Keep the volume audible, connect power if the battery is low, and leave the alarm visible while you finish handling the equipment.
As the final reading is entered at this late hour, pause and listen before leaving the trail area. Background noise around Uluru can fall away sharply during the night, making a moderate alarm easier to hear but also making voices and equipment sounds carry further. Choose a volume that you can hear nearby without creating unnecessary noise, then secure loose items quietly once the signal sounds.
Common questions
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.
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.
Cookie policy