If you are a frequent credit card user, you must have come across the term "cashback." Cashback is the amount of money that you can earn back from the purchases you make using your credit card. Discover is one of the credit card providers that offer a lucrative cashback feature to its customers. Discover Cashback Match is a program that matches all the cashback you earned at the end of your first year. In this article, we will discuss the Discover Cashback Match Calendar and how it works.