The credit card transaction date is the date when the credit card is swiped.
The billing date is a summary of consumption within a month (not a natural month). You can repay after the billing date. There is no interest for normal card consumption before the repayment date. The repayment date is free of charge. Interest period end date. The credit card has a revolving overdraft limit. You can pay it off after you use it, and you can use it again after you pay it off. The repayment date is generally 18 days after the bill date, and these two dates are fixed every month.