So, let's take an example:

September 5th-65438+1October 4th, which belongs to the billing cycle of 65438+ 10. At 24: 00 on September 4, the bank will summarize the amount incurred during the period into a bill, informing you that it must be paid off before 65438+1October 24.

65438+1October 5th-165438+1October 4th belongs to the billing cycle of165438+1October, and the arrears generated during this period need to be paid off on June 24th +065438.

165438+1October 5-65438+February 4, which belongs to the billing cycle of 65438+February, and the arrears generated during this period need to be paid off on February 24, 65438;

65438+February 5-65438+1October 4 belongs to the billing cycle of 65438+1October, and the arrears generated during this period need to be paid off on June 5438+1October 24.

Back to your question, if you spend money on June 5th 165438+, you need to pay it off on February 24th at the latest.