For example, let’s assume that the billing cycle of your credit card starts from 5th of every month and your repayment due is on 24th of every month. Now, if you made a big ticket purchase using your credit card on May 6, the transaction would be included in the bill generated on June 4, and you need to repay the bill by June 24. In this case, you can benefit from an interest-free period of up to 49 days. However, if you make the transaction on June 1, then the transaction will still be included in the bill generated on June 4, and will have to be repaid by June 24. In this case, your interest free period will work out to 23 days. Hence, always prefer to make big ticket transactions, to the extent possible, during the start of your credit card billing cycle.