We have an account with one of the larger middle American banks, on 22 Dec. we mailed a check to Phoenix, on 25 Dec. I checked my balance and the check had not been posted, on 26 Dec. I checked my account and the check was posted on 24 Dec., amazing how the money is debited after the fact and more importantly the interest is given to the bank for the long weekend and holiday.Guess I wish that I could adjust my books the same way. Nice to know however that the Post Office is working well.