Exact time in Chicago time zone now. Official Chicago timezone and time change dates for year 2026. On the city page, you can find out the current time, sunrise and sunset times, and the time zone. Current time in Chicago, United States, today's sunrise and sunset times, time difference with other cities, and distances to nearby locations. Exact time now, time zone, time difference, sunrise/sunset time and key facts for Chicago, Illinois, United States. The exact current time in Chicago, Illinois is displayed live above, synchronized with international NTP servers. The third-most populous city in the United States operates on the CDT time zone (Central Daylight Time), at an offset of UTC−5. The Central Time Zone is a time zone in parts of Canada, the United States, Mexico, Central America, and a few Caribbean Islands. [1] It is one hour behind the Eastern Time Zone. Historic, present and future dates for daylight saving time and clock changes. Time changes between years 2025 and 2029 in USA – Illinois – Chicago are shown here. Time zone and DST transitions in Chicago, United States Chicago time zone Central Time: - CST - Central Standard Time - CDT - Central Daylight Time when daylight saving time is being observed (from early March to early November) Current local time in USA – Illinois – Chicago. Get Chicago's weather and area codes, time zone and DST. Explore Chicago's sunrise and sunset, moonrise and moonset. All counties and cities of the state have the same time zone, there are no exceptions. Illinois is observing daylight savings so there are two different clocks depending on the time of the year. What Time Zone is Chicago, Illinois? Chicago, Illinois is in the Central Time Zone (CT). During Standard Time, Chicago observes Central Standard Time (CST), which is six hours behind Coordinated Universal Time (UTC-6).