You need to use the F2P start date. No Turbine Turbine Points were earned prior to the September 10, 2010 launch date.
Originally Posted by Draconfier
Using the launch date of the game falls in the same category as saying I should be paid at my current pay rate for all the hours that I have worked in my lifetime. Back when I started I got $12.50 an hour - 25,000 a year. That was decent pay in the late 70s. Now my pay is well over 50 dollars an hour.
Unless stated otherwise, all content in this post is My Personal Opinion.