The bookkeeping date is 17 days per month, and the repayment date is the 7th or 8th of next month (month-month relationship).
Repayment before the due date after bill payment does not affect credit.
Supplement to the question:
If you spend on September 6th, you will have to pay back from September 18 to 10/7. Remember not to repay after 65438+10.7.