How long can I stay in the U.S. on a tourist or business visa?
A11. A U.S. nonimmigrant visa grants you permission to travel to a Port of Entry (airport/seaport) in the United States. When you arrive at your destination Port of Entry, the U.S. Immigration Inspector who processes your entry will determine the length of time that you may remain in the country during this visit. You may travel to the Port of Entry during the validity of your nonimmigrant visa up to and including the last day. The visa duration does not determine the length of time that you may remain legally in the United States; only the Immigration Inspector can decide this upon your arrival in the United States.