Days post ovulation...?

Katy

If you get a pretty dark line on a Saturday afternoon 130pm. Then u take another around 1145pm Saturday night and it's blazing positive. Then you take another Sunday afternoon that's dark but not as dark as before, what would you consider to be the day of actual ovulation? Sunday or Monday cuz the blazing positive was at almost midnight? Also if so would Monday be 1 day post ovulation or is Sunday the day you ovulate considered 1 and Monday would be 2? Lol I think I'm looking too deep into this..? Lol