The grace period of Shanghai Pudong Development Bank credit card is 20 days. Specifically, if you repay within 20 days of the repayment date, it will not adversely affect your credit history and avoid unnecessary fines and overdue credit card bills. In addition, if you want to know the personal credit situation and the estimated credit limit of credit cards and online loans and other important data information, you can query it on the website of Songguocha, click Query and enter relevant information. I hope the above information is helpful to you.