Recurrence pattern: every year on December 4.

International Day of Banks is observed on December 4 each year to recognize the vital role banks play in providing financial security and supporting sustainable development. The day highlights how banks contribute not only through financial services but also by serving their communities in various capacities. It was established by the United Nations General Assembly to draw attention to the importance of international development banks in financing sustainable development goals. Banks accept deposits from the public and lend money to those in need, while development banks focus on providing credit and investments to support public and private institutions without accepting deposits. Typical customs associated with this day include raising awareness about the functions of banks and their contributions to financial stability and community development.