St. Louis uses America/Chicago — UTC-06:00 (CST) in standard time and UTC-05:00 (CDT) during daylight saving time. It is located in Missouri, United States. The live clock shows the current local time and updates every second.
Everything you need to know about St. Louis's time zone, UTC offset, and Daylight Saving Time schedule.
St. Louis uses UTC-06:00 in standard time. This is the offset used outside the daylight saving period.
UTC-05:00 (CDT) during daylight saving time. Clocks move forward one hour in spring and back one hour in autumn.
The official IANA time zone name for St. Louis is America/Chicago. This identifier is used in programming, operating systems and calendar applications worldwide.
Spring forward: 08 March 2026 at 02:00 → 03:00
Fall back: 01 November 2026 at 02:00 → 01:00
Spring forward: 14 March 2027 at 02:00 → 03:00
Fall back: 07 November 2027 at 02:00 → 01:00
Spring forward: 12 March 2028 at 02:00 → 03:00
Fall back: 05 November 2028 at 02:00 → 01:00
Spring forward: 11 March 2029 at 02:00 → 03:00
Fall back: 04 November 2029 at 02:00 → 01:00
Chicago, Houston, San Antonio, Dallas, Fort Worth
Currency: US Dollar (USD). Calling code: +1. Languages: English.
St. Louis (officially the City of St. Louis) is an independent city in the U.S. state of Missouri. It lies near the confluence of the Mississippi and the Missouri rivers. In 2020, the city proper had a population of 301,578, while its metropolitan area, which extends into Illinois, had an estimated population of over 2.8 million.
It is the largest metropolitan area in Missouri and the second-largest in Illinois. The city's metropolitan statistical area is the 23rd-largest in the United States.
The land that became St. Louis had been occupied by Native American cultures for thousands of years before European settlement. The city was founded on February 14, 1764, by French fur traders Gilbert Antoine de St. Maxent, Pierre Laclède, and Auguste Chouteau. They named it for King Louis IX of France, and it quickly became the regional center of the French Illinois Country.
In 1804, the United States acquired St. Louis as part of the Louisiana Purchase. In the 19th century, St. Louis developed as a major port on the Mississippi River; from 1870 until the 1920 census, it was the fourth-largest city in the country. It separated from St. Louis County in 1877, becoming an independent city and limiting...
Source: Wikipedia contributors — St. Louis. Adapted text is available under CC BY-SA 4.0; see licence details. Reviewed by the TimeZoria AI Editorial Team.
279,695 residents (GeoNames city population; metro areas may be larger).
Missouri, United States.
America/Chicago · UTC-06:00 (CST).
Observes DST.
US Dollar (USD) · +1.
Indianapolis, Kansas City, Memphis
St. Louis Lambert International Airport (STL) about 20.1 km from the city coordinates. Source: OurAirports (public domain).
2024 averages: daily highs 20.2°C and lows 9.8°C. Warmest month: June (average high 31.0°C); coolest month: January (average low -5.2°C). Source: Open-Meteo (CC BY 4.0).
The gross domestic product of Greater St. Louis was $226.5 billion in 2023, up from $211.5 billion the previous year. Source: Wikipedia contributors · CC BY-SA 4.0 (adapted).
Region: Missouri · IANA zone: America/Chicago · Open data sources and licence details: TimeZoria AI licenses.
Current time in major cities compared to St. Louis. Times update live every second.
Note on DST transitions: The offsets shown above reflect the current live offset, which changes twice a year due to Daylight Saving Time. Different regions change their clocks on different dates, which means the difference between St. Louis and another city can vary by 1 hour for a short period in spring and autumn. Always verify the exact time difference around DST transition dates for critical scheduling.
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St. Louis's time zone affects business hours, travel plans and international calls. The America/Chicago zone is used for local scheduling, transport and everyday life in Missouri.
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Common questions about St. Louis's time zone, UTC offset, and DST.