According to the inquiry of China Travel Service. The repayment date of Bank of Ningbo Credit Card is 25th day after the bill date. Bank of Ningbo's billing date is randomly generated by the system, and the billing date and repayment date of different users' credit cards are different. When the credit card is released, the user will be informed of the bill date and repayment date of the credit card, and the user will be reminded to repay when the credit card bill comes out.