Ladies idk why but I can’t seem to know when I have a positive ovulation test , I took pics as I…

Ladies idk why but I can’t seem to know when I have a positive ovulation test , I took pics as I went and the days after period o got dark lines but as time goes on and today being my

Ovulation date with a light line I don’t understand it , can you tell me what you think ? All the ones together are from after period on the individual one was today on ovulation .