Seriously though it depends on the category. A neighbour of mine from India got his name in the paper 5 months after completing the Staatsprüfung and course.
How long is a Swiss stare or piece of string?
Around 9 months. That was simple naturalization. Yes depends on category.
I am hoping that there is no ceremony. That's something I can live without!
Simple Means facilitated right?
Yes that's correct.