Positive OPK tests for 2 days 🤔

Sarah-Jane • TTC 16 months💏We did it🤰🏽Sophie born 10/7/18💕
I got my first smiley face on Wednesday night and strip test then same again yesterday and same again this morning ...would anyone have an idea when I might ovulate or have done since the lines are still just as dark on the tests? 1st pic last night about 7pm and 2nd pic this morning 🙂