No. 1-28.

According to the experience of querying Baidu, we learned that there are 28 billing days for Bank of China credit card statements, and these 28 billing days are from the 1st to the 28th. The billing date is randomly determined by BOC credit card holders when they apply for a credit card. Under normal circumstances, customers cannot adjust the billing date.

The monthly statement date of Bank of China Credit Card is generated with the system and is fixed for each cardholder and cannot be changed. For purchases made on the Bank of China Credit Card statement date, the interest-free period is 20 days. , the Bank of China credit card is used to make purchases on the first day after the bill is issued, and the interest-free period is up to 50 days; the Bank of China credit card is used to withdraw cash on the same day as the bill is issued, and the repayment period is 20 days; the Bank of China credit card is used to withdraw cash on the first day after the bill is issued, and the repayment period is the longest 50 days.