36 day cycle

Cynthia
I need help figuring out when did I ovulate. I have a 36 day cycle and I used clearblue opk. It says I had a peak fertility then high fertility days later. So we bd. my boob is sore and I'm cramping and gassy. Feels like Aunt Flo. My period came on last month on the 26th so that means I will skip a whole month of no period