St. Louis to Denver Time Converter

Updating current time…
St. Louis
Missouri, USACST
UTC−6
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Denver
Colorado, USAMST
UTC−7
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

6:00 am06:00 CST (UTC-6), Nov 14, 2026 = 5:00 am05:00 MST (UTC-7), Nov 14, 2026

St. Louis is 1 hour ahead of Denver.

How the time difference changes

Normally, St. Louis is 1 hour ahead of Denver. Briefly around seasonal clock changes, St. Louis is 2 hours ahead of Denver or St. Louis and Denver have the same time.

Typically, working hours of 9:00 am to 6:00 pm in St. Louis correspond to 8:00 am to 5:00 pm in Denver.Typically, working hours of 09:00 to 18:00 in St. Louis correspond to 08:00 to 17:00 in Denver.

Compare St. Louis time with Denver time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

CST (Central Standard Time) is 1 hour ahead of MST (Mountain Standard Time).
6:00 am06:00 in St. Louis, MO, USA is 5:00 am05:00 in Denver, CO, USA

St. Louis to Denver call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in St. Louis which corresponds to 9am-5pm09:00-17:00 in Denver.

6:00 am06:00 CST (Central Standard Time) (St. Louis, MO, USA). Offset UTC -6:00 hours
5:00 am05:00 MST (Mountain Standard Time) (Denver, CO, USA). Offset UTC -7:00 hours

6:00 am06:00 St. Louis, MO, USA / 5:00 am05:00 Denver, CO, USA

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
St. Louis, MO, USADenver, CO, USA
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St. Louis Time Zone and Facts

Time Zone

Abbreviation / Offset
CST – Central Standard Time, UTC-6 (now)
CDT – Central Daylight Time, UTC-5 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (CDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, November 7, 2027 at 2:00 amSunday, November 7, 2027 at 02:00: clocks go back 1 hour to 1:00 am01:00 (CST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

St. Louis Facts

Country
USA
State
Missouri
Alternative Names
City of Saint Louis, Lacledes Village, Mound City, Pain Court, Pancore, STL, Saint Lewis, Saint Louis, Saint Louis City, Saint-Louis, San Luis, Sankta Luiso, Sejnt Luis, Sent Loisos, Sent Luis, Sent Luisas, Sent-Luis, Sentluisa, Sint-Louis, St Louis, St. Louis, Urbs Sancti Ludovici, ceyint luyis, saint luyis, sant lwys, seinteulu-iseu, senta lu'isa, senthluys, sentoruisu, seyint luyis, sheng lu yi si, snt lwyys, Σαιντ Λούις, Сейнт Луис, Сент Луис, Сент-Луис, Сент-Луіс, Сент-Луїс, סנט לואיס, سانت لويس, سنت لوئیس, سینٹ لوئس, सेंट लुईस, செயின்ட் லூயிஸ், సెయింట్ లూయిస్, ಸೈಂಟ್ ಲೂಯಿಸ್, เซนต์หลุยส์, სენტ-ლუისი, セントルイス, 圣路易斯, 세인트루이스
Population
279,695
Currency
Dollar (USD)
Geographic Coordinates
38° 37' N Latitude / 90° 11' W Longitude
International Dialing Code
+1
More About St. Louis
St. Louis local time and city facts

Denver Time Zone and Facts

Time Zone

Abbreviation / Offset
MST – Mountain Standard Time, UTC-7 (now)
MDT – Mountain Daylight Time, UTC-6 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (MDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, November 7, 2027 at 2:00 amSunday, November 7, 2027 at 02:00: clocks go back 1 hour to 1:00 am01:00 (MST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Denver Facts

Country
USA
State
Colorado
Alternative Names
DEN, Dehnver, Denber, Denvr, Denver, Denver County, Denvera, Denveres, Denveris, Denverium, Denvero, Denverės, Denwer, Dénwér, Mile-High City, Ntenver, Queen City of the Plains, Saint Charles, The Mexican Diggings, The Spanish Diggings, dainavara, dan fu, denabhara, denabhara ka'unti, denavara, denba, denbeo, denbhara, denvar, denveri, denvhara, denwexr, dnfr, dnwr, dnwr klradw, dnwwr, tenvar, Ντένβερ, Денвер, Денвър, Дэнвер, Դենվեր, דנוור, דענווער, دنفر, دنور, دنور، کلرادو, ڈینور, डॅनवर, डेन्भर, डेन्वर्, डेन्व्हर, देन्भर, ডেনভার, ডেনভার কাউন্টি, ਡੈਨਵਰ, டென்வர், డెన్వర్, ഡെൻവർ, เดนเวอร์, დენვერი, ደንቨር, デンバー, 丹佛, 덴버
Population
729,019
Currency
Dollar (USD)
Geographic Coordinates
39° 44' N Latitude / 104° 59' W Longitude
International Dialing Code
+1
More About Denver
Denver local time and city facts