^ Normally, it should take more time. However, most of my text is already in my papers since I was lucky to have quite a few of them accepted. Plus, I am into Computer Science, texts are very technical indeed.
Here (in Greece) you defend your thesis in a public defense where 7 (external and internal) experts are present. Anyone can come, ask questions etc. The experts' commitee have already read your text a few days befoere and after the presentation they optionally suggest improvements. After those improvements are considered by you, the final text is handed in and, after a final check by the experts' commitee, you are declared a Dr.