First of all, the credit card letter will say,

Second, you can use the "bill integral inquiry" on the credit card website of CCB.

Third, you can use the mobile phone number reserved in CCB to edit the short message "Last four digits of card number 3 1 1#" to 95533, which will reply to the billing date of your latest bill. If you reply 1 1/2, it means that the accounting date is the 2nd.

4. Wechat query: China Construction Bank, query after adding a bound credit card.

At present, CCB adopts a fixed repayment date, which depends on the date of your credit card bill. Please refer to the picture for details.