Timelines are just going to give you basic guidelines. Nobody can tell you exactly when anything is going to happen. The best thing to do is read the link provided, do a lot of research, pay close attention to your animals, take notes, keep good records, and learn as much as you can from the direct experience.
- - - Updated - - -
I must have been typing my reply when you posted this. You have the right idea. Keeping good records is the key.