Current local time in Chicago, Illinois, United States. Get maps, travel information, Chicago Timezone and CST. Chicago is in the Central Standard Time (CT). What is the difference between CST and CDT? These are the two seasonal versions of Central Standard Time: CST (UTC-6), which stands for Central Standard Time, is used in winter. CDT (UTC-5), which stands for Central Daylight Time, is used in summer. What is an IANA time zone identifier? Want to see the time in Chicago, Illinois, United States compared with your home? Choose a date and time then click Submit and we'll help you convert it from Chicago, Illinois, United States time to your time zone. Official City of Chicago Time website. Enter a state or an area code to view time. Time now in Chicago, Illinois. View accurate photo clock. Time Zone and Daylight Saving Time (DST) rules. Live local time in Chicago. Explore America/Chicago time zone information, UTC offset, DST, and related time tools. Exact time in Chicago time zone now. Official Chicago timezone and time change dates for year 2026. Exact time now, time zone, time difference, sunrise/sunset time and key facts for Chicago, Illinois, United States. 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. Chicago uses the America/Chicago IANA time zone (UTC−06:00). This zone covers the city and surrounding region year-round, with automatic adjustments during daylight saving when applicable. US state Illinois (IL) time zone information, including time zone map, daylight savings time, current local time and state time bills.