Quick OPK Question

🌹KRYSTAL🌹 • My name is Krystal Barnes-Robinson 24. I married the love of my life Montez on 8/17/2013. Been activity TTC since September 2014. Having Faith.
So this morning i toke the first response and wondfo opk. The first response said no and the wondfo had faint secondline darker then yesterdays. But this afternoon im having ovulation pains on my right side i always do during ovulation. Is it possible to start ovulating later the same day as negative opk's or willing be ovulating tomorrow?