Jan 14 you should see activity of 120. Only if you keep activity on the forum and post once every week.
14 activity points given in a two week period. Since you just got your 56 activity on the 5th.
So in essence from today:
Nov 19 you should see 70 activity
Dec 3 you should see 84 activity
Dec 17 you should see 98 activity
Dec 31 you should see 112 activity
Jan 14 you should see 120 activity
Give or take a day, since your register date is the 17th. Let's just say the 17th for good measure
You are now a Full member.