plz help first time using them and idk !! 😔

Idk which is better pic  anyway this is my first time using Opks and I don't know how they work I toke a test today cuz yesterday I felt some poking and pulling sensation in my lower stomach when I go to the restroom and wipe I see a lot of EW/CM I thought I'm ovulating but didn't have time to buy them it was midnight we BD when I felt that but now idk if I ovulate so I buy them today and that what shows my 
Glow calendar say my Fertile window is from January 25 to march 3 so any idea 💡 plzÂ