Positive OPK two days in a row?

Hayley
I had a positive opk yesterday and today! So when will I ovulate?! I know it's meant to be 12-36 hours after the positive test so should I keep testing and assume it will be 12 hours after the last positive test? 
The lines on the right are control lines xx
Yesterday's test ⬇️
Today's test ⬇️