Could i mist it?!

Nele • Mc7.2016💔 Rainbowbaby🌈 Y👦🏼18.8.17. Mc12.2019&9.2020💔Ttc rainbowbaby2🍀

Could it be i mist my positive opk between cd 10 and 11?

The fourth is cd 11. Cd 10 was at 8pm and cd11 at 7pm. Could i had my positive between them?