Updating current time…
MST/MDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Mountain Time is on standard time: MST (UTC−7) until Sun, Mar 14, 2027.
GALT
UTC−6
1h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:00 am05:00 MST (UTC-7), Nov 15, 2026 = 6:00 am06:00 GALT (UTC-6), Nov 15, 2026

MST is 1 hour behind GALT.

MDT and GALT examples

These examples always use MDT (UTC-6) and GALT (UTC-6). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

MDT and GALT have the same local time.

How the time difference changes

For most of the year, MDT and GALT have the same time. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, MST is 1 hour behind GALT.

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

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

Time Difference

Mountain Standard Time is 1 hour behind Galapagos Time.
5:00 am05:00 in MST is 6:00 am06:00 in GALT

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

5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
6:00 am06:00 Galapagos Time (GALT). Offset UTC -6:00 hours

5:00 am05:00 MST / 6:00 am06:00 GALT

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
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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 the shaded areas are on UTC−7 (MST).

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).

123456789101112End: Mountain Daylight Time (MDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were 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.

123456789101112Start: Mountain Daylight Time (MDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

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

Galapagos Time

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

Countries using this time zone: Ecuador

Principal Cities: The largest city in the GALT time zone is Puerto Ayora in Ecuador, with about 12,696 people. Other major cities in this time zone include Puerto Baquerizo Moreno, Puerto Villamil.

Daylight Saving: Clocks in Galapagos Time (GALT) do not change for daylight saving time, so GALT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

GALT 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 GALT
  • S - short form of 'Sierra'
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