confused on ovulation time?

Jay🌙✨💜👧🏻👦🏻🤰🏻 • I'm 29, married, and mother of 2. Pregnant with my third which will be me and my husbands first child together. I love to coupon!!! Baby #3 due 2/22/18!!!
I'm confused, glow says I ovulate today but I took a opk test yesterday and it was positive. Wouldn't that mean I ovulated yesterday? That is yesterdays test. Thanks!!

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