United States
United States
Chicago to Washington D.C. Time Difference
Washington D.C. is 1 hour ahead of Chicago
Chicago vs Washington D.C. — At a Glance
Chicago to Washington D.C. — Hour-by-Hour
About Chicago and Washington D.C.
Chicago (population: 2.7M) is known for commodities trading, deep-dish pizza, architecture, and the Chicago Board of Trade. Washington D.C. (population: 0.7M) is known for the U.S. capital, the White House, Congress, and the Smithsonian museums.
Business Hours Overlap
Washington D.C. is a national capital, so official government hours (typically 9 AM–5 PM) are the primary window for diplomatic and administrative communication with Chicago.
Calling Between Cities
Calling between Chicago (+1) and Washington D.C. (+1) is convenient — the time difference is small enough that you're unlikely to disturb anyone during normal waking hours.
Currency
Both Chicago and Washington D.C. use the same currency (USD), so there's no exchange rate to worry about for business transactions.
Language
Chicago and Washington D.C. share English as a common language, which simplifies business communication.
Use our world clock tool to compare Chicago and Washington D.C. visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Chicago and Washington D.C.?
Washington D.C., United States is 1 hour ahead of Chicago, United States. Chicago is in the America/Chicago timezone (UTC-5) and Washington D.C. is in the America/New York timezone (UTC-4).
When it's noon in Chicago, what time is it in Washington D.C.?
When it's 12:00 PM (noon) in Chicago, it's 1:00 PM in Washington D.C..
What is the best time to call Washington D.C. from Chicago?
With only a 1-hour difference, you can comfortably call Washington D.C. anytime during standard business hours (9 AM–6 PM Chicago time).
What currency does Washington D.C. use?
Washington D.C., United States uses USD. Chicago uses USD. Both cities share the same currency.
What language is spoken in Washington D.C.?
The primary language in Washington D.C. is English. Chicago also speaks English, making communication easier.
How do I dial Washington D.C. from Chicago?
To call Washington D.C. from Chicago, dial your international access code followed by +1 and the local number. Both cities share the country code +1.