Ok If My Due Date Is On A Wednesday October 3 Does That Mean I Conceived On A Wednesday

Nope
Dates are all Best Guess.

Ok, you can never get a conception date back to an exact day ( unless you only had sex once in a specific period) Conception dates at the very best are give or take a week. And can be off as much as 2 weeks.

Dates are estimated from average size of the fetus, compared to other fetus, yours could be perhaps slightly larger or smaller than normal ( rate of maturity)

Even your Due date is a guess, you don't really expect to have the child on that exact day do you ?