Current Time in St. Louis, United States

Q: What timezone is St. Louis in?

St. Louis is in the CST/CDT timezone. The IANA timezone identifier is America/Chicago. The UTC offset is -6:00 in winter and -5:00 in summer.

Q: What is the UTC offset for St. Louis?

St. Louis's UTC offset is UTC-6:00 in winter and UTC-5:00 in summer. UTC offset means how many hours ahead of or behind Coordinated Universal Time (UTC) the local time is.

Q: What continent is St. Louis in?

St. Louis is located in North America. It is the 301 thousand population city in United States.

United States · CST/CDT · UTC-6:00 / UTC-5:00 (DST)

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America/Chicago

St. Louis Timezone Details

Timezone	CST/CDT
UTC Offset (standard)	UTC-6:00
UTC Offset (summer/DST)	UTC-5:00
Daylight Saving Time	Yes (observed)
IANA Timezone ID	America/Chicago
Country	United States
Population	301 thousand

Live Time Comparison — St. Louis

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✈ St. Louis Airport & Flight Time Calculator

✈ STL St. Louis Lambert International

Estimate flight time from:

About St. Louis Time Zone (CST/CDT)

St. Louis, Missouri, uses Central Standard Time (CST, UTC−6) in winter and CDT (UTC−5) in summer. Famous for the Gateway Arch and a major hub for agriculture and transportation.

Key fact: St. Louis is in the same timezone as Chicago and Kansas City.

Use the live clock at the top of this page to see the exact current time in St. Louis with seconds. The clock updates every second and uses your browser's timezone database for accuracy.

Frequently Asked Questions — St. Louis Time

What time is it in St. Louis right now? +

The current time in St. Louis, United States is displayed by the live clock at the top of this page. St. Louis is in the CST/CDT timezone (UTC-6:00 in winter, UTC-5:00 in summer).

What timezone is St. Louis in? +

St. Louis is in the CST/CDT timezone. The IANA timezone identifier is America/Chicago. The UTC offset is -6:00 in winter and -5:00 in summer.

Does St. Louis observe Daylight Saving Time? +

Yes, St. Louis observes Daylight Saving Time (DST). Clocks are set forward in spring and back in autumn. In winter, the UTC offset is -6:00; in summer it is -5:00.

What is the UTC offset for St. Louis? +

St. Louis's UTC offset is UTC-6:00 in winter and UTC-5:00 in summer. UTC offset means how many hours ahead of or behind Coordinated Universal Time (UTC) the local time is.

What is the time difference between St. Louis and London? +

St. Louis (CST/CDT) is UTC-6:00. London (GMT/BST) is UTC+0 in winter and UTC+1 in summer. St. Louis is in the same timezone as Chicago and Kansas City.

How do I convert St. Louis time to UTC? +

To convert St. Louis time to UTC, subtract UTC-6:00 from the local time. For example, if it is 15:00 in St. Louis and the UTC offset is UTC-6:00, you calculate backward to find the UTC equivalent. Use the conversion table on this page for real-time values.

What continent is St. Louis in? +

St. Louis is located in North America. It is the 301 thousand population city in United States.

What is the IANA timezone name for St. Louis? +

The IANA (Internet Assigned Numbers Authority) timezone database identifier for St. Louis is America/Chicago. This is the official timezone name used in programming languages and operating systems.

How long is a flight from St. Louis? +

Use the flight time calculator on this page to estimate flight times from St. Louis Lambert International (STL) to any of 150+ airports worldwide. The calculator uses the Haversine formula for great-circle distance at 850 km/h cruise speed plus 45 minutes ground time. Popular searches: flight time from St. Louis to London, St. Louis to New York, St. Louis to Dubai, St. Louis to Tokyo.