Updating current time…
Arizona, USAMST
UTC−7
12am
3am
6am
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MDT
UTC−6
1h ahead
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9am
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9pm

Quick answers

Selected conversion

5:00 am05:00 MST (UTC-7), Oct 25, 2026 = 6:00 am06:00 MDT (UTC-6), Oct 25, 2026

Yuma is 1 hour behind MDT.

How the time difference changes

For most of the year, Yuma is 1 hour behind MDT. From Nov 1, 2026 to Mar 14, 2027, Yuma and MST have the same time.

For most of the year, working hours of 9:00 am to 6:00 pm in Yuma correspond to 10:00 am to 7:00 pm in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Yuma correspond to 9:00 am to 6:00 pm in MST.For most of the year, working hours of 09:00 to 18:00 in Yuma correspond to 10:00 to 19:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in Yuma correspond to 09:00 to 18:00 in MST.

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

Time Difference

MST (Mountain Standard Time) is 1 hour behind Mountain Daylight Time.
5:00 am05:00 in Yuma, AZ, USA is 6:00 am06:00 in MDT

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

5:00 am05:00 MST (Mountain Standard Time) (Yuma, AZ, USA). Offset UTC -7:00 hours
6:00 am06:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours

5:00 am05:00 Yuma, AZ, USA / 6:00 am06:00 MDT

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Hourly time comparison
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Yuma Time Zone and Facts

Time Zone

Abbreviation / Offset
MST – Mountain Standard Time, UTC-7 (no daylight saving time)

Yuma Facts

Country
USA
State
Arizona
Alternative Names
Arizona, Arizona City, Colorado City, Doonysio, Juma, La Purisima Concepcion, Pueblo de la Concepcion, Puutsiyumah, San Dionisio, San Dionysio, YUM, Yuma, Yuma City, Yumas, you ma, yuma, ywma, ywma aryzwna, ywma ayryzwna, ywmh, Јума, Юма, יומה, يوما, یوما، آریزونا, یوما، ایریزونا, युमा, ዩማ፥ አሪዞና, ユマ, 尤馬
Population
95,548
Currency
Dollar (USD)
Geographic Coordinates
32° 43' N Latitude / 114° 37' W Longitude
International Dialing Code
+1

Mountain Daylight Time

Offset: MDT is 6 hours behind Greenwich Mean Time (GMT).

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

Principal Cities: The largest city in the MDT time zone is Ciudad Juárez in Mexico, with about 1.512 million people. Other major cities in this time zone include Denver, El Paso, Albuquerque, Colorado Springs.

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

Map of the areas on Mountain Daylight Time (MDT)
MDT part of the year

Today all shaded areas are on MDT.

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

123456789101112Start: Mountain Daylight Time (MDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

123456789101112End: Mountain Daylight Time (MDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

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