Does it account for Daylight Saving Time?

Yes, our converter uses the IANA timezone database, which includes all current DST rules for every timezone in the world.

UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks. All timezones are defined as offsets from UTC.

Can I compare multiple timezones at once?

Yes, you can add multiple cities or timezones and see the equivalent times side by side.

How many timezones are there in the world?

There are 38 distinct UTC offsets in use, ranging from UTC-12 to UTC+14. This includes half-hour (UTC+5:30 India, UTC+9:30 Australia) and 45-minute offsets (UTC+5:45 Nepal, UTC+8:45 Australia).

What is the International Date Line?

The International Date Line (IDL) runs roughly along the 180° meridian in the Pacific Ocean. When you cross it westward, you gain a day; crossing eastward, you lose a day.

Why do some timezones have 30 or 45 minute offsets?

Countries chose offsets that best matched their solar noon. India uses UTC+5:30 and Nepal uses UTC+5:45 because standard hourly offsets didn't align well with their geography.

Which country has the most timezones?

France has the most (12 timezones) due to overseas territories. Russia spans 11 timezones. The US has 6 (including Hawaii and Alaska).

Denver to Moscow

+9h

Denver

MDTSOURCE

USA · UTC-06:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Moscow

MSK

Russia · UTC+03:00

HH09

MM00

21:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Denver

Moscow

12:00 AM

9:00 AM

2:00 AM

11:00 AM

4:00 AM

1:00 PM

6:00 AM

3:00 PM

8:00 AM

5:00 PM

10:00 AM

7:00 PM

12:00 PM

9:00 PM

2:00 PM

11:00 PM

4:00 PM

1:00 AM+1

6:00 PM

3:00 AM+1

8:00 PM

5:00 AM+1

10:00 PM

7:00 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

MDT and MSK on the World Map

The map below highlights the MDT (Mountain Standard Time) and MSK (Moscow Standard Time) timezone regions across the globe.

MDT Zone

→

MSK Zone

Explore all world timezones interactively →

MST – Mountain Standard Time

UTC-07:00

Mountain Standard Time (MST) is the time zone for the Mountain region of North America, 7 hours behind UTC.

Countries in MST

United States (Mountain)Canada (Alberta)Mexico (Chihuahua, Sonora)

Major Cities in MST

DenverPhoenixSalt Lake CityCalgaryEdmontonAlbuquerqueEl PasoTucsonBoiseCiudad Juárez

Key Facts about MST

•Arizona does not observe daylight saving time, staying on MST year-round.
•The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
•Denver, the 'Mile High City', is the largest city fully in MST.
•MST covers 6 US states entirely and parts of several others.

Daylight Saving:Yes – switches to MDT

Learn more about MST on Wikipedia

MSK – Moscow Standard Time

UTC+03:00

Moscow Standard Time (MSK) is the time zone for Moscow and western Russia, 3 hours ahead of UTC.

Countries in MSK

Russia (Moscow, St. Petersburg, western regions)

Major Cities in MSK

MoscowSt. PetersburgVolgogradNizhny NovgorodKazanSamaraRostov-on-Don

Key Facts about MSK

•All Russian train timetables use Moscow Time, regardless of location.
•Russia abolished daylight saving time in 2011.
•Moscow is the most populous city in Europe with over 12 million residents.
•MSK shares the offset with Saudi Arabia (AST) and East Africa (EAT).

Daylight Saving:No – UTC+03:00 year-round

Learn more about MSK on Wikipedia

About Denver

Wikipedia

Denver operates on Mountain Time (MST/MDT), 2 hours behind New York. As a tech and aerospace hub, Denver bridges West Coast and Central US business hours.

Population:715,000

Metro:2.9 million

Business Hours:8:00 AM - 5:00 PM MST

Currency:USD ($)

Key Landmarks

Red Rocks AmphitheatreDenver Art MuseumUnion Station16th Street MallColorado State Capitol

Did You Know?

Denver International Airport is the largest airport in North America by land area.

Learn more about MDT timezone →

About Moscow

Wikipedia

Moscow operates on Moscow Standard Time (MSK), UTC+3. As Russia's capital and financial center, MSK is the reference timezone across Russia's 11 time zones.

Population:12.5 million

Metro:17.1 million

Business Hours:9:00 AM - 6:00 PM MSK

Currency:RUB (₽)

Stock Exchange:MOEX (Moscow Exchange)

Key Landmarks

Red SquareKremlinSt. Basil's CathedralBolshoi TheatreGUM Department Store

Did You Know?

Russia spans 11 time zones but Moscow Time (MSK) is the reference for all schedules.

Learn more about MSK timezone →

Denver vs Moscow: Offsets, DST and Best Call Times

Denver runs on Mountain Daylight Time (MDT) at UTC-06:00, currently observing daylight saving time. Moscow runs on Moscow Standard Time (MSK) at UTC+03:00. That puts Denver 9 hours ahead of Moscow — a difference of +9h at the current offsets.

In practice, when it is 9:00 AM in Denver it is 6:00 PM in Moscow. Midnight in Denver is 9:00 AM in Moscow.Denver observes daylight saving time while Moscow does not, so the gap narrows or widens by an hour part of the year.

Denver to Moscow time conversion table

Denver (MDT)	Moscow (MSK)	Day
12:00 AM	9:00 AM	same day
6:00 AM	3:00 PM	same day
7:00 AM	4:00 PM	same day
8:00 AM	5:00 PM	same day
9:00 AM	6:00 PM	same day
12:00 PM	9:00 PM	same day
3:00 PM	12:00 AM	next day
5:00 PM	2:00 AM	next day
6:00 PM	3:00 AM	next day
9:00 PM	6:00 AM	next day

Why people convert Denver to Moscow time

Scheduling a call from Denver to Moscow: a 10:00 AM start in Denver lands at 7:00 PM in Moscow, so you can confirm the slot without doing the arithmetic yourself.
Handling a +9h gap: Denver and Moscow have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Moscow is 6:00 PM in Denver.
Coordinating a Denver-based team with Moscow contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.

Always state the zone abbreviation, not just the hour. "3:00 PM MDT" is unambiguous; "3 PM" across a +9h gap is not.
With a +9h gap there is no shared 9-to-5 window, so alternate the early start: one week Denver takes the early slot, the next week Moscow does.
Denver: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +9h gap.

About MST (Mountain Standard Time)

Mountain Standard Time (MST) covers the Rocky Mountain region of the United States and Canada. Arizona is notable for not observing daylight saving time, staying on MST year-round (except the Navajo Nation). The time zone includes major cities like Denver, Phoenix, Calgary, and Salt Lake City. During summer, most areas switch to Mountain Daylight Time (MDT, UTC-06:00).

About MSK (Moscow Standard Time)

Moscow Standard Time (MSK) is the time zone used in Moscow, St. Petersburg, and much of western Russia. Russia abolished DST in 2011, so MSK is observed year-round. MSK is also the reference time for Russian railways – all train schedules in Russia are given in Moscow Time regardless of the actual local time zone.

Best time to call between Denver and Moscow

With a +9h offset there is no overlap inside a normal 9 AM – 5 PM day. Moscow opens at 9:00 AM MSK, which is 6:00 PM in Denver, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Denver and Moscow have no shared working hours because of the +9h gap. Teams need to alternate early starts or rely on asynchronous handovers.

Denver is 9 hours ahead of Moscow (MDT UTC-06:00 → MSK UTC+03:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Denver

☀ Currently in DST

Standard: UTC-07:00 · DST: UTC-06:00

Clocks fall back on Sun, Nov 1, 2026

Moscow

Does not observe DST

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Denver and Moscow?

Denver (MDT, UTC-06:00) is 9 hours ahead of Moscow (MSK, UTC+03:00). The gap is currently +9h.

How do I convert Denver time to Moscow time?

Add +9h to Denver local time. For example, 9:00 AM in Denver is 6:00 PM in Moscow.

What time is it in Moscow right now?

Moscow uses MSK at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +9h offset from Denver.

What is the best time to call Moscow from Denver?

There is no shared working-hours window because of the +9h gap. The closest option is 1:00 PM in Denver, which is 10:00 PM in Moscow.

Which is ahead, Denver or Moscow?

Denver is 9 hours ahead of Moscow. When it is 12:00 PM in Denver it is 9:00 PM in Moscow.

Do Denver and Moscow use different time zones?

Denver (USA) uses MDT at UTC-06:00, while Moscow (Russia) uses MSK at UTC+03:00. The IANA identifiers are America/Denver and Europe/Moscow.

Does daylight saving time affect the Denver–Moscow difference?

Yes at the moment: Denver is on daylight saving time and Moscow is not, so the +9h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Denver's time zone?

MDT also covers Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson and 2 more.

Which countries use MDT, Denver's zone?

MDT is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).

Is there a day difference between Denver and Moscow?

Not normally. The +9h gap only pushes the date over for late-evening times.

What is the time difference between Denver and Moscow?

Moscow is +9h from Denver.

What timezone is Denver in?

Denver operates on Mountain Time (MST/MDT), 2 hours behind New York. As a tech and aerospace hub, Denver bridges West Coast and Central US business hours.

What timezone is Moscow in?

Moscow operates on Moscow Standard Time (MSK), UTC+3. As Russia's capital and financial center, MSK is the reference timezone across Russia's 11 time zones.

What are the business hours in Denver?

Standard business hours in Denver are 8:00 AM - 5:00 PM MST.

What are the business hours in Moscow?

Standard business hours in Moscow are 9:00 AM - 6:00 PM MSK.

What is the best time to schedule a call between Denver and Moscow?

The best overlap for a call is when both cities are in business hours. Denver works 8:00 AM - 5:00 PM MST and Moscow works 9:00 AM - 6:00 PM MSK (+9h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Denver and Moscow?

Denver uses USD ($) while Moscow uses RUB (₽). Check current exchange rates when planning travel or business between these cities.

How do Denver and Moscow compare in size?

Denver has a population of approximately 715,000 (metro: 2.9 million), while Moscow has approximately 12.5 million (metro: 17.1 million).

What are the major landmarks in Denver and Moscow?

Denver is known for Red Rocks Amphitheatre, Denver Art Museum, Union Station. Moscow is famous for Red Square, Kremlin, St. Basil's Cathedral.

Do Denver and Moscow have stock exchanges?

Yes. Denver has the N/A (Uses NYSE/NASDAQ) and Moscow has the MOEX (Moscow Exchange). The +9h time difference affects trading hour overlaps between these exchanges.

Which countries use MST (Mountain Standard Time)?

MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).

Does MST observe daylight saving time?

Yes, MST switches to MDT during summer months.

What are some interesting facts about MST?

Arizona does not observe daylight saving time, staying on MST year-round. The Navajo Nation in Arizona does observe DST, unlike the rest of the state.