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

Quick answers

Selected conversion

6:00 am06:00 MDT (UTC-6), Oct 28, 2026 = 5:00 am05:00 MST (UTC-7), Oct 28, 2026

MDT is 1 hour ahead of Fountain Hills.

How the time difference changes

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

For most of the year, working hours of 9:00 am to 6:00 pm in MDT correspond to 8:00 am to 5:00 pm in Fountain Hills. At other times of the year, working hours of 9:00 am to 6:00 pm in MST correspond to 9:00 am to 6:00 pm in Fountain Hills.For most of the year, working hours of 09:00 to 18:00 in MDT correspond to 08:00 to 17:00 in Fountain Hills. At other times of the year, working hours of 09:00 to 18:00 in MST correspond to 09:00 to 18:00 in Fountain Hills.

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

Time Difference

Mountain Daylight Time is 1 hour ahead of MST (Mountain Standard Time).
6:00 am06:00 in MDT is 5:00 am05:00 in Fountain Hills, AZ, USA

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

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

6:00 am06:00 MDT / 5:00 am05:00 Fountain Hills, AZ, USA

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Hourly time comparison
MDTFountain Hills, AZ, USA
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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

Fountain Hills Time Zone and Facts

Time Zone

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

Fountain Hills Facts

Country
USA
State
Arizona
Population
23,899
Currency
Dollar (USD)
Geographic Coordinates
33° 36' N Latitude / 111° 43' W Longitude
International Dialing Code
+1