Confused 🤷🏻‍♀️

Nora

I am CD12. I took a OPK test at 12:20 pm and my urine was dark yellow. I think it is positive (see top picture). And then I took a OPK test at 7:30 pm and my urine was pale yellow. It is negative (see bottom picture) Did I miss it or what? My ovulation day is on the 8th or 9th