Cant tell when im ovulating

Danielle • Married for 3 years, expecting baby #1!!! So blessed💗💗💗
Helpppppppppp please anyone! OK so glow said I was ovulating the week of the 17th and I started taking the ovulating kit and I never received a bfp. Can someone please tell me when is the best time too start to see when I'm ovulating #1st time ttc#