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MST – Mountain Standard Time

Current Offset:UTC-6(Daylight Time Active)

Timezone Overview

Mountain Standard Time (MST) is a time standard used across the North America region. The current local UTC offset is UTC-6. MST (UTC-7) is the standard time variant of Mountain Time (MT). Regions following this timezone advance clocks to MDT (UTC-6) during daylight saving periods.

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Mountain Time (MT) Variant

Daylight Saving Time Counterpart: MDT

MST is the standard-time variant (UTC-7) of Mountain Time. During the daylight saving period in summer, most regions following Mountain Time switch to Mountain Daylight Time (MDT, UTC-6), with exceptions such as Arizona which stays on MST year-round.

View MDT Timezone →

MST Timezone Details

Abbreviation
MST
Standard Offset
UTC-7
Current Offset
UTC-6
Daylight Offset
UTC-6
DST Status
Active (Daylight)
IANA Identifier
America/Denver
Region
North America
Clock Changes
Seasonal (2x/year)

Daylight Saving Time (DST) Information

Mountain Standard Time (MST) participates in daylight saving time adjustments. During the standard time period, clocks operate at UTC-7, and during the daylight saving period, clocks advance by 1 hour to UTC-6.

Standard Time
UTC-7
MST
Daylight Saving Time
UTC-6
MDT

Specific changeover dates depend on jurisdictional regulations. In North America transitions generally take place in March and November, in Europe transitions occur in late March and late October, and Southern Hemisphere zones transition between October and April.

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Major Cities in MST Time

Representative cities currently observing Mountain Standard Time (MST) with their live local times.

8 major cities listed
CityCountryCurrent TimeCurrent Offset
PhoenixUnited States11:19 PMUTC-7
DenverUnited States12:19 AMUTC-6
El PasoUnited States12:19 AMUTC-6
AlbuquerqueUnited States12:19 AMUTC-6
TucsonUnited States11:19 PMUTC-7
Salt Lake CityUnited States12:19 AMUTC-6
CalgaryCanada12:19 AMUTC-6
EdmontonCanada12:19 AMUTC-6

Countries & Territories Represented

United StatesCanada

MST Time Zone Converters

Convert MST to other major international time zones with live clocks.

All converters →
MST to IST
India Standard Time
IST to MST
India Standard Time

Other North America Timezones

EST
UTC-5
EDT
UTC-4
CST
UTC-6
CDT
UTC-5
MDT
UTC-6
PST
UTC-8

Frequently Asked Questions about MST

Accurate, factual answers regarding Mountain Standard Time (MST) and its seasonal schedule.

What is MST and what does it stand for?

MST stands for Mountain Standard Time. It is a civil time standard used in North America with a standard offset of UTC-7 from Coordinated Universal Time (UTC). Its current offset is UTC-6.

Does MST observe Daylight Saving Time (DST)?

Yes, Mountain Standard Time participates in seasonal daylight saving time shifts. Standard time is UTC-7 and daylight saving time is UTC-6. Clocks in this zone are currently advancing for daylight saving time.

What is the difference between MST and MDT?

MST is the standard-time variant (UTC-7) of Mountain Time. During the daylight saving period in summer, most regions following Mountain Time switch to Mountain Daylight Time (MDT, UTC-6), with exceptions such as Arizona which stays on MST year-round.

Which major cities use MST?

Major cities operating in or aligned with Mountain Standard Time include Phoenix (United States), Denver (United States), El Paso (United States), Albuquerque (United States), Tucson (United States), among others.

How do I convert MST to another timezone?

To convert MST (UTC-6) to your local time or another zone, calculate the hour difference between your local UTC offset and UTC-6. You can also use the live interactive converters listed on this page for instant side-by-side time comparisons.