Changsha Bank Credit Card Changsha Bank is generally divided into 3 periods, 6 periods, 9 periods, 12 periods, 18 periods, and 24 periods. The repayment period of Changsha Bank Credit Card is: 1. SMS reminder on the statement day: 1. Issue 6 is on the 26th; 2, 15, 18, 21, and 24, Changsha Bank Credit Card.