USA Time Zone Guide
Washington, D.C. is the capital of the United States, home to the federal government and major international institutions including the World Bank and the IMF. The live clock at the top of this page is based on this city.
USA spans 5 distinct time zones — besides Washington, D.C., it also includes Los Angeles, Chicago, Denver, Honolulu, each shown separately above.
The mainland United States spans four main time zones — Eastern, Central, Mountain, and Pacific — plus Alaska and Hawaii, so even within the country the answer to "what time is it" depends heavily on the region.