I want to know when my wife will see her ovulation

She sees her preiod on 7th of this month, when will she see her ovulation this month

At the link below, enter the first day of her last period, and adjust the number of days in her normal cycle if different than 28. Then click 'Calculate.'

http://www.ovulationcalculator.org/

This site and the book explain how to take body temperature every morning to chart and precisely determine exactly when ovulation occurs. It's different for different women.
http://www.tcoyf.com/