I took another opk this evening at 8:02ish it was dark but can't tell if positive. I also took one yesterday around this same time and it looked the same maybe a little light but not by much.

#1 Pic below is from this evening ⬇️

#2 this pic below if from yesterday (both pics taken in time frame.)

Through out the day yesterday and today they were never this dark I only got darker results at 8:00 pm. Why is that??