The bill is settled once a month, and the repayment method is such that the 25th day after your bill is the final repayment date. So if your bill date is the 5th, then your last repayment date will be the 30th of the month. According to this calculation, this bill date is the bill of the previous month. In other words, the money you consumed last month can be At the end of next month, the number of days in a month should be fifty-six days