The repayment date of Ping An Credit Card is 18 days after the bill date. \x0d\ 1。 Credit cards that are generally consumed on the day of the billing date can enjoy the shortest interest-free period; \x0d\\x0d\ 2。 You can enjoy the longest interest-free period if you spend on the day after the bill date; \ x0d \ x0d \ For example, the billing date of China Merchants Bank's credit card is the 20th of each month, and the repayment date is the 8th of each month, so if you spend on July 20th, which belongs to the bill of July 20th, you can enjoy the shortest interest-free period before August 8th. \x0d\\x0d\ If it was spent on July 2 1 day, it belongs to the bill of August 20, and it should be repaid before September 8, and you can enjoy the longest interest-free period.