The adjustment of billing date from 7th to 15th means that the credit card settlement date is postponed. Credit card billing date means that the issuing bank will regularly summarize and settle all the transactions and expenses in your credit card account in the current period every month, calculate the total amount owed and the minimum repayment amount in the current period, and mail the statement. This date is the billing statement of your credit card. The billing date was adjusted from 7 to 15, which means that the credit card settlement date was delayed by 8 days.