Then, if I said (Monday morning) that I'll mow the lawn AFTER the third day, before I go to work, then I COULD be saying again that I'll mow the lawn on Wednesday.
Are you a native speaker of english? because if you said this to me on Monday morning, I'd assume you would mow the lawn thursday morning, because that would be the first time "before work" could happen after the thrid day (wednesday). If you mowed it on Wednesday I'd be like "you're a day earlier than you said you would be. The grass is still too wet and you've ruined my mower." Or something.
Let me show you: if I said "I'll mow the lawn in three days," then I am probably stating (on Monday) that I'll mow the lawn on the third, 24-hour day (on Wednesday).
This doesn't quite make sense either. Most people would equate three days with 72 hours. That still makes Thursday about the earliest you could be technically correct.
Consider this. If I leave on a three-day vacation on monday, I expect to be kickin' it in the Bahamas until I leave thursday afternoon or so.
Again, there ARE NO contradictions made in the Bible (obviously anybody out there can TWIST what is written in the Bible to mean what they want it to, but that would be a cult--which is a manipulation of an original doctrine).
But if you're the one that has to play word games to justify your position, isn't that YOU twisting the bible? Therefore doesn't that make YOU the cult?