i just wanna make sure of the pct start time for a 12 week test e cycle.

i tried searching but the computer im on at work does not have enough memory and gets a fatal error

im gonna run my pct like this
clomid 50/50/50/50
nolva 20/20/20/20/20/20

just wanted to know exactly when to start it. is it 3 weeks after last shot?

sorry guys and thanks again