I'm so confused! So my CD1 was August 9th, and my 1DPO is August 20th. I took 2 pregnancy tests this…

I'm so confused! So my CD1 was August 9th, and my 1DPO is August 20th. I took 2 pregnancy tests this mornin and it was so so light that you can't capture the line by iPhone photo lol. But I took 2 opks just now and they came out positive! What does this mean? I'll post pics and some other in the comments. This is a pic of my charting for this months ovulation