The real answer is 3 years 142 days (just under 3.5 years).
Nov 29, 2013 ($1,206.90) -> Apr 19, 2017 ($1,215.20) = 1237 days
I haven't done a comprehensive analysis to back this up, but that's what it looks like by manually looking at historical charts.
What would be really cool would be to do a full amazingly and account for inflation and/or compare to various stock markets (Dow, S&P, Nasdaq), or stocks (TSLA, NVDA, etc.)