Did I ovulate yesterday or today?

Ash
Hey ladies,
So I use opk and this has been my first month also charting my bbt. I should mention I had a severe head cold last week so my temp a few days ago was a little erratic. However I have been feeling fine the last 4 days so my temps should be accurate for those days. My question is, is my ovulation when it spikes are after the spike? My opk strips showed positive for yesterday and today so I'm not sure which day it was? Have had sex every fertile day in my "fertile window"...really hoping this is our month!!  Any advice is helpful! Here are the pics of my calendar and bbt chart...