what time to have intercourse after +opk to concieve a boy

Neha

please help me.....i am trying to concieve a baby boy...can u please suggest when to intercourse once i get +opk...for ex..i got two lines today 4pm so when to go for sex so as to get maximum chances of concieving a baby boy...i am so dam confused and tensed ...please help me...thank you so much....