When did i peak? HELP

Dariel • Wife💍, Believer ✝️, 19☺️, Soph Nursing Student 📗 Small Business Owner, Lash Tech & MUA 💫 Pregnant with baby #1 🤰🏽🍼❤️

Trying to figure out when exactly did i peak(ovulate) 🥴 this a tough cookie. If you look closely the second one i took on CD 17 & 18 look the same.