Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Dubai to MST

-11h

Dubai

GSTSOURCE

UAE · UTC+04:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

MST

UTC-06:00☀ DST active

HH01

MM00

01:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Dubai

MST

12:00 AM

2:00 PM-1

2:00 AM

4:00 PM-1

4:00 AM

6:00 PM-1

6:00 AM

8:00 PM-1

8:00 AM

10:00 PM-1

10:00 AM

12:00 AM

12:00 PM

2:00 AM

2:00 PM

4:00 AM

4:00 PM

6:00 AM

6:00 PM

8:00 AM

8:00 PM

10:00 AM

10:00 PM

12:00 PM

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

GST and MST on the World Map

The map below highlights the GST (Gulf Standard Time) and MST (Mountain Standard Time) timezone regions across the globe.

GST Zone

→

MST Zone

Explore all world timezones interactively →

GST – Gulf Standard Time

UTC+04:00

Gulf Standard Time (GST) is used in the UAE, Oman, and other Gulf states, 4 hours ahead of UTC.

Countries in GST

UAEOmanGeorgiaAzerbaijanMauritius

Major Cities in GST

DubaiAbu DhabiMuscatBakuTbilisi

Key Facts about GST

•Dubai uses GST year-round with no daylight saving time.
•GST is 9 hours ahead of EST and 4 hours ahead of GMT.
•The Dubai Financial Market (DFM) operates on GST.

Daylight Saving:No – UTC+04:00 year-round

Learn more about GST on Wikipedia

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

About Dubai

Wikipedia

Dubai operates on Gulf Standard Time (GST), 4 hours ahead of GMT. Dubai's position between Europe and Asia makes it a strategic hub for international business.

Population:3.5 million

Metro:4.1 million

Business Hours:8:00 AM - 6:00 PM GST

Currency:AED (د.إ)

Stock Exchange:DFM (Dubai Financial Market)

Key Landmarks

Burj KhalifaPalm JumeirahBurj Al ArabDubai MallDubai Frame

Did You Know?

Dubai has no income tax, making it a major hub for international business.

Learn more about GST timezone →

Comparing Time Zones: Dubai and MST

Dubai runs on Gulf Standard Time (GST) at UTC+04:00. MST runs on Mountain Standard Time (MST) at UTC-07:00. That puts Dubai 11 hours behind MST — a difference of -11h at the current offsets.

In practice, when it is 9:00 AM in Dubai it is 10:00 PM in MST on the previous day. Midnight in Dubai is 1:00 PM in MST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Dubai to MST time conversion table

Dubai (GST)	MST (MST)	Day
12:00 AM	1:00 PM	previous day
6:00 AM	7:00 PM	previous day
7:00 AM	8:00 PM	previous day
8:00 AM	9:00 PM	previous day
9:00 AM	10:00 PM	previous day
12:00 PM	1:00 AM	same day
3:00 PM	4:00 AM	same day
5:00 PM	6:00 AM	same day
6:00 PM	7:00 AM	same day
9:00 PM	10:00 AM	same day

Why people convert Dubai to MST time

Scheduling a call from Dubai to MST: a 10:00 AM start in Dubai lands at 11:00 PM in MST the previous day, so you can confirm the slot without doing the arithmetic yourself.
Handling a -11h gap: Dubai and MST 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 MST is 10:00 PM in Dubai.
Keeping family and friends in sync: knowing that 8:00 PM in Dubai is 9:00 AM in MST makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM GST" is unambiguous; "3 PM" across a -11h gap is not.
With a -11h gap there is no shared 9-to-5 window, so alternate the early start: one week Dubai takes the early slot, the next week MST does.

About GST (Gulf Standard Time)

Gulf Standard Time (GST) is the time zone used in the United Arab Emirates, Oman, and other Gulf states. GST does not observe daylight saving time. Dubai and Abu Dhabi, major international business and tourism hubs, operate on GST.

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).

Best time to call between Dubai and MST

With a -11h offset there is no overlap inside a normal 9 AM – 5 PM day. MST opens at 9:00 AM MST, which is 10:00 PM in Dubai, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Dubai and MST have no shared working hours because of the -11h gap. Teams need to alternate early starts or rely on asynchronous handovers.

Dubai is 11 hours behind MST (GST UTC+04:00 → MST UTC-07:00). 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

Dubai

Does not observe DST

MST

☀ Currently in DST

Standard: UTC-07:00 · DST: UTC-06:00

Clocks fall back on Sun, Nov 1, 2026

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 Dubai and MST?

Dubai (GST, UTC+04:00) is 11 hours behind MST (MST, UTC-07:00). The gap is currently -11h.

How do I convert Dubai time to MST time?

Add -11h to Dubai local time. For example, 9:00 AM in Dubai is 10:00 PM in MST (previous day).

What time is it in MST right now?

MST uses MST at UTC-07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -11h offset from Dubai.

What is the best time to call MST from Dubai?

There is no shared working-hours window because of the -11h gap. The closest option is 1:00 PM in Dubai, which is 2:00 AM in MST.

Which is behind, Dubai or MST?

Dubai is 11 hours behind MST. When it is 12:00 PM in Dubai it is 1:00 AM in MST.

Do Dubai and MST use different time zones?

Dubai (UAE) uses GST at UTC+04:00, while MST uses MST at UTC-07:00. The IANA identifiers are Asia/Dubai and America/Denver.

Does daylight saving time affect the Dubai–MST difference?

Neither zone observes daylight saving time, so the -11h offset between Dubai and MST is fixed all year.

Which other cities share Dubai's time zone?

GST also covers Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.

Which countries use GST, Dubai's zone?

GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.

Is there a day difference between Dubai and MST?

Not normally. The -11h gap only pushes the date over the previous day.

What is the time difference between Dubai and MST?

MST is -11h from Dubai.

What timezone is Dubai in?

Dubai operates on Gulf Standard Time (GST), 4 hours ahead of GMT. Dubai's position between Europe and Asia makes it a strategic hub for international business.

What timezone is MST in?

MST operates on its local timezone.

What are the business hours in Dubai?

Standard business hours in Dubai are 8:00 AM - 6:00 PM GST.

Which countries use GST (Gulf Standard Time)?

GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.

Does GST observe daylight saving time?

No, GST does not observe daylight saving time and remains at UTC+04:00 year-round.

What are some interesting facts about GST?

Dubai uses GST year-round with no daylight saving time. GST is 9 hours ahead of EST and 4 hours ahead of GMT.

Which cities are in the MST timezone?

Major cities in the MST timezone include Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson.

What is the UTC offset for MST?

Mountain Standard Time (MST) is at UTC-07:00. During daylight saving time, it shifts to MDT.

What should I know about the MST timezone?

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.