Ovulation question..

Ok, so my question is .. I am doing the ovulation tests this time around &&&& I was wanting to know when I ovulate exactly. Meaning I have the Clearblue digital advanced ones, so am i gonna ovulate the day of the solid smiley or like a day or two after that???? Thats the part that confuses me! Lol. This is gonna be my 3 rd cycle trying and just wanted to see if I'm BD in the right days...??