- What time zone is Chicago in?
- Chicago uses Central Time — Central Standard Time (CST, UTC−6) from early November through mid-March, and Central Daylight Time (CDT, UTC−5) the rest of the year. CDT is active for approximately eight months of the year.
- What are typical business hours in Chicago?
- Most Chicago businesses operate 8 AM to 5 PM or 9 AM to 6 PM Central Time. Financial and commodities firms, clustered around the Chicago Board of Trade, often start earlier — 7 AM or even 6:30 AM — to align with New York market opens.
- What is the time difference between Chicago and New York?
- Chicago is one hour behind New York. When New York is on EST, Chicago is on CST (both UTC minus five and six, respectively). When New York is on EDT, Chicago is on CDT (UTC−4 and UTC−5). The one-hour difference holds year-round.
