Not sure if it still exists, but a few years ago there was a bug that if an alar...

		_kyran 5 months ago \| parent \| context \| favorite \| on: The time picker on the iPhone's alarm app isn't ci... Not sure if it still exists, but a few years ago there was a bug that if an alarm was created using Siri, it wouldn’t make a noise at the set time. It would show as a switched on in the clock app, but wouldn’t actually do the one thing it was meant to do.

That’s part of the fun of Siri - it will be a surprise!