The change of credit card billing date will affect the repayment date. For example, if the original billing date is 19th, the repayment date is 7th. If the billing date is changed to the 3rd, the new consumption will generate a bill on the 3rd of next month, and the repayment date will be adjusted to the 21st of that month accordingly. It is worth noting that consumption on the day of billing usually enjoys the longest interest-free period.

there are different regulations on the billing date of each bank. The billing date of ICBC is fixed as the last day of each month and cannot be changed. China Bank is automatically generated by the system and cannot be adjusted by the cardholder. There are many options for the billing date of CCB, which can be changed once a year, such as 2, 5, 7, etc. The billing statements of Industrial Bank and Minsheng Bank can be adjusted once every six months or once a year, such as 2, 4 and 6. The billing date of Ping An Bank is 5, 1, 15, etc. every month, once a year. Guangdong Development Bank varies from city to city and cannot be changed. For example, Beijing billing date is 2th, and Shenzhen is the cardholder's birthday.

regarding repayment, the final repayment date of the credit card of Agricultural Bank of China is 25 days after the billing date, and the billing date has options such as 1th, 2th, 17th and 27th, and the billing date of each card type is fixed and cannot be modified. The interest-free repayment period is usually 56 days at the longest and 25 days at the shortest, and you can enjoy the longest interest-free period on the second day after the bill date.