On the 24th of every month. According to the official website of Gansu Rural Credit Cooperative, Zhangye Rural Credit Cooperative's business card statement date is the 24th of each month. The credit card statement date refers to the card issuing bank's regular monthly review of various transactions, expenses, etc. that occurred in your credit card account in the current period. Summarize the settlement, calculate interest, calculate your current total arrears and minimum repayment amount, and mail a statement to you.