Interesting poll, and I agree with the consensus that it does not matter in the slightest. Whatever works for you...
For me, I use November 4, 2012 because this was the date I made the decision and the irrevocable commitment to sobriety and began the journey. November 5 was the first
full day without drinking, but the "break with the past" or (as it turned out) "big plan" happened on the 4th, so that's the day I go with.
Similarly, I celebrate my anniversary on the day I got married, not the first "full day" of being married...
All's well that ends well!
