I am confused with ovulation and opk's please help

Brianna • Well my name is Brianna and my Husband is.anthony we have been TTC for #1 since December 1, 2014 we have been married for 1 year but we have been together for 6 years,
These are three tests, the bottom one was from today the middle one was from yesterday earlier in the day and top one was a day before yesterday, does anybody thing I ovulated lastnight some time?