Opk please help!!

Mary • Hello my names mary im 33 my husband is 38 we have been married since this july 2015 been together since april of 08 we have two beautiful daughters ages 15 and 7 and s sob thsts 4
Ok ladies i had a question this is my first cycle to use clear blue digital ovulation packs and my cycles average 30 days give or take so i started testing at cd 10 it was nothing cd 11 i got a blinky smiley face high fertility and today cd 12 i got a peek fertilty a non blinky smiley face it just stayed there .my question is glow says im not sapposta ovulate for like another week but this says otherwise do u ladies think its to early to ovulate during a 30 day cycle or not im confused.