I can't remember if it was iOS/OSX or something else, but I had a situation where I'd backed up my device before migrating to new hardware, set an alarm, then r

I can't remember if it was iOS/OSX or something else, but I had a situation where I'd backed up my device before migrating to new hardware, set an alarm, then restored to the new device from the backup. Of course, the backup predated the alarm being set, so it never went off on the new device. Took me a while to realise why...