The final repayment date of the Bank of Communications credit card is 25th day after the bill date, and your bill date is 26th (fixed), which means that \ xd \ xd \ bill 2.26 is generated, which records the transactions during the period from 1.27 to 2.26, and the final repayment date of the transactions during this period is 25th day after 2.26, that is, 3.23\xd\ bill 3.26. \xd\\xd\ Obviously, 2.26 on the billing date has the shortest interest-free period, with 25 days (2.26 brush and 3.23 return), and 2.27 on the first day after the billing date has the longest interest-free period, with 56 days (2.27 brush and 4.2 return). The full repayment of the credit card before the final repayment date is interest-free. It should be noted that credit card consumption has an interest-free period, and cash withdrawal has no interest-free period.