When do you think I ovulated? UPDATE

Br

My date keeps changing because I haven't peaked yet. Below are my opks with Glow and Premom. I have 27 day cycles usually, sometimes reaching 29 days but that's only happened twice in the last year. Does it look like maybe CD13 could have been my peak? We have been bd'ing and using preseed so if that was my peak, we definitely hit the mark. Just curious to see what others think. Thanks in advance!

Update: I spoke too soon. I just got my positive! This is my first ever positive on OPK strips (I've been using the clearblue digital and/or first response tests). Woo! Time to baby dance!