To make your payment on time it must be credited to your account on or before the due date. Make sure you allow for sufficient payment processing times for this to happen, particularly allowing for weekends and public holidays.
There are a number of ways that you can pay your credit card bill each month and the payment processing times will differ depending on the payment method you choose. The following methods of payments are available: Internet Banking, Phone Banking, Mobile Banking, AIB Branch or Post Office, Cash & Cheque Lodgement Machine or By Post, For more information on these payment methods please see question How can I make payments to my credit card account?