Thoughts ?

So yesterday I first tested for opk and got a smiley face around 9:30 am . It lasted all day I took another opk around 8:30pm just to check and still had a smiley face . Around 6:30 I started to get the dull cramp in my lower left and that last about 3 hours . I got up this morning and checked again and my surge was over . Would I count ovulation yesterday ? Or today ? Glow says today is estimated ovulation day . Also do you think us BDing last night gave us a good chance ?!