The 16th of each month for this card is the billing day, and the most cost-effective payment is made by swiping the card on the 17th.

Because the interest-free period for swiping your card on the 17th is the longest, you can enjoy an interest-free period of nearly 50 days. The specific calculation method is as follows: the bill date is the 16th of each month, and the repayment date is the 10th of the following month. . If you swipe your card for consumption on the 17th, the bill will be issued on the 16th of the next month, and the payment will be made on the 10th of the following month. The interest-free period is: the 16th of the next month - the 10th of the next month equals 35 days (the 20th day after the bill date).