October 9 is a federal holiday in the United States, known as Columbus Day. Since 1971, Columbus Day has been observed on the second Monday in October. On this day, government entities like the DMV, libraries, and courts are closed. The U.S. Postal Service is also closed, and there is no regular mail delivery. Most banks are closed, but some branches of Chase and TD Bank may be open. The stock market is open, but the bond market is closed.