Need help. It's getting mad annoying

Mrs. • Finally have our babies. R.I.P Kimara Jeffers. Welcome 2 handsome boys Allan and Kayden Jeffers. 👧🏾👼🏾👶🏾👶🏾👦🏾
I'm 50 cycle length and I'm not sure when I'm bout to ovulate. I had been testing but getting a negative results. I'm hoping I get a positive soon on my opk
I want to know do anyone in here are 50+s days cycle and when did u ovulated??? 
This is really getting annoying.