1. Download the app of the corresponding credit card for inquiry. Every bank has its own mobile banking. After downloading mobile banking, click Login, and you can see the function of checking repayment on my page. Click to view the repayment date of credit card.

2. Inquire on the official account of WeChat. Pay attention to the official account of WeChat corresponding to the credit card, and click the audit details under the query bill to find the repayment date of the credit card.

3. Call the customer service of the credit card. The customer service phone number of the corresponding bank will be written on the back of each credit card. After calling customer service, you can know the repayment date of the credit card by checking the bill.