Ovulation confusion

So I had a medium amount of EWCM on the 27th, the 28th I had watery CM, and then I had a heavy amount of EWCM on the 29th. On the 30th I had a medium amount of creamy/sticky CM. When do you think I ovulated? I usually test for ovulation and don't pay attention to CM that much but my tests didn't come until the 31st 😩😥

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