3 days.

According to the query on Xicai.com, although rural commercial banks in various places are independent, the credit card repayment grace period issued by them is still 3 days. Cardholders only need to repay in time within three days of the repayment date. The payment can be regarded as normal repayment and will not be counted as overdue.

According to Article 7 of the "Regulations on the Supervision and Administration of Credit Card Business of Commercial Banks": A credit card refers to a credit card that records cardholder account information, has bank credit lines and overdraft functions, and provides cardholders with relevant banking services. All types of media.