I dunno, whatever you did for this one cause it's gorgeous!

That depends on the temperature of your refrigerator, how much starter your using, and your hydration. It's really a question you have to ask yourself and find out. The reason there are so many ways to bake bread is because everyone is literally doing it in a different environment.

Not sure if troll post or humblebragging, that is a tremendous strong bread, my mouth is literally watering