MST/MDT
Mountain Standard Time
GMT -7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MDT is not used on this date
This converter uses MST (GMT -7), the offset Denver uses on this date. Open the MST converter.
Arizona, USA
MST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

Mountain Standard Time is 0 hours ahead of MST (Mountain Standard Time)
5:00 am05:00 in MST is 5:00 am05:00 in Phoenix, AZ, USA

MST to Phoenix call time
Best time for a conference call or a meeting is between 9am-5pm in MST which corresponds to 9am-5pm in Phoenix

5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
5:00 am05:00 MST (Mountain Standard Time) (Phoenix, AZ, USA). Offset UTC -7:00 hours

5:00 am05:00 MST / 5:00 am05:00 Phoenix, AZ, USA

MSTPhoenix, AZ, USA
12am (midnight)12am (midnight)
1am1am
2am2am
3am3am
4am4am
5am5am
6am6am
7am7am
8am8am
9am9am
10am10am
11am11am
12pm (noon)12pm (noon)
1pm1pm
2pm2pm
3pm3pm
4pm4pm
5pm5pm
6pm6pm
7pm7pm
8pm8pm
9pm9pm
10pm10pm
11pm11pm
00:0000:00
01:0001:00
02:0002:00
03:0003:00
04:0004:00
05:0005:00
06:0006:00
07:0007:00
08:0008:00
09:0009:00
10:0010:00
11:0011:00
12:0012:00
13:0013:00
14:0014:00
15:0015:00
16:0016:00
17:0017:00
18:0018:00
19:0019:00
20:0020:00
21:0021:00
22:0022:00
23:0023:00

Mountain Daylight Time

Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the MDT time zone is Calgary in Canada, with about 1.02 million people. Other major cities in this time zone include Edmonton, El Paso, Denver, Albuquerque.

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

MDT Time Zone Geo Map
MDT timezone map

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Mountain Standard Time (MST).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Mountain Daylight Time (MDT) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November

Daylight saving time clock moves back for one hour from 2am to 1amStart: Mountain Daylight Time (MDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March

MDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for MDT
  • S - short form of 'Sierra'
IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Boise
  • America/Cambridge_Bay
  • America/Ciudad_Juarez
  • America/Denver
  • America/Edmonton
  • America/Inuvik
  • America/Shiprock
  • America/Yellowknife
  • Canada/Mountain
  • MST7MDT
  • Navajo
  • US/Mountain
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Phoenix Information

Time Zone

Abbreviation / Name
MST - Mountain Standard Time
UTC / GMT Offset
-7:00 hours during Mountain Standard Time, currently in use.

Phoenix Facts

Country
USA
State
Arizona
Alternative Names
East Phoenix, Feniks, Fenikso, Finiks, Finiksa, Finiksas, Finiksos, Foinix, Féniks, Fīniksa, Hellings Mill, Hoozdoh, Mill City, PHX, Peniki, Phenix, Phoeniks, Phoenix, Pumpkinsville, Pēniki, Salt River, Smith Station, Smith Station Phenix, Smiths Station, feng huang cheng, fenikkusu, finikasa, finiks, finiksa, fynks, fynyks, fynyks aryzwna, phiniks, phiniks nagaram, phiniksa, pinigseu, piniks, piniksi, pnyqs, pynyqs, Φοίνιξ, Финикс, Фінікс, Ֆինիքս, פיניקס, פניקס, فينيكس, فینکس, فینیکس، آریزونا, फ़ीनिक्स, फिनिक्स, फिनिक्स्, फीनिक्स, ফিনিক্স, ਫ਼ੀਨਿਕਸ, பீனிக்ஸ், ఫీనిక్స్ నగరం, ಫೀನಿಕ್ಸ್, ഫീനിക്സ്, ฟีนิกซ์, ფინიქსი, ፊኒክስ፥ አሪዞና, フェニックス, 凤凰城, 鳳凰城, 피닉스
Population
1,563,025
Currency
Dollar (USD)
Geographic Coordinates
33° 26' N Latitude / 112° 04' W Longitude
International Dialing Code
+1