ACCA QUALIFICATION REGISTRATION DATE

I started from CAT and transferred to ACCA but I didnt complete CAT. I did F1 in 2014 Dec F2 F3 in July and in myacca account it shows that the ACCA registration date at 12.10.2015. Im doing F5 F7 this Dec. Next year going to do four subjects in each session. Which means i would be able to complete 14 papers by 2016 Dec. So does it mean i actually finish ACCA within 2 years? Do i start counting from the registration date of myacca account?