When do most hikers start if your a NoBo? Im not an experienced hiker. I have no idea how many miles a day I can hike but I have the desire and drive to get from Springer Mt, Ga to Mt. Katadan, ME! I hear it can take 5-6 months for most.

You are correct on the time. Most take 5 months. It can and has been done faster just not by me. Why hurry though. This is a once in most lifetimes experience. Do it at your own pace and enjoy the trip. Either way it will definitely change you and the way you look at life. It is far from easy but not insurmountable by most. Check out You Tube for a lot of advice that will be useful. Dont worry about overpacking, it is easy enough to get rid of something but hard get something you find out you can't live without.

Many start in March. Check out the Appalachian trail conservancy website.