MST to EASST Converter
Mountain Time is on daylight saving time: MDT (UTC−6) until Sun, Nov 1.
Arizona stays on MST (UTC−7).
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
6:00 am06:00 MDT (UTC-6), Oct 16, 2026 = 7:00 am07:00 EASST (UTC-5), Oct 16, 2026
MDT is 1 hour behind EASST.
MST and EASST examples
These examples always use MST (UTC-7) and EASST (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
MST is 2 hours behind EASST.
Most of Arizona stays on MST (UTC-7) all year. Places such as Denver use MDT (UTC-6) during daylight saving time, one hour later. For daylight-time examples, use MDT to EAST.
How the time difference changes
Depending on seasonal clock changes, MDT and EAST have the same time, MDT is 1 hour behind EASST, or MST is 2 hours behind EASST.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in MDT correspond to 9:00 am to 6:00 pm in EAST, working hours of 9:00 am to 6:00 pm in MDT correspond to 10:00 am to 7:00 pm in EASST, or working hours of 9:00 am to 6:00 pm in MST correspond to 11:00 am to 8:00 pm in EASST.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in MDT correspond to 09:00 to 18:00 in EAST, working hours of 09:00 to 18:00 in MDT correspond to 10:00 to 19:00 in EASST, or working hours of 09:00 to 18:00 in MST correspond to 11:00 to 20:00 in EASST.
Compare MST time with EASST 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 behind Easter Island Summer Time.
6:00 am06:00 in MDT is 7:00 am07:00 in EASST
MDT to EASST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in MDT which corresponds to 10am-6pm10:00-18:00 in EASST
6:00 am06:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
7:00 am07:00 Easter Island Summer Time (EASST). Offset UTC -5:00 hours
6:00 am06:00 MDT / 7:00 am07:00 EASST
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.
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Mountain Standard Time
Offset: MST is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MST time zone is Phoenix in the United States, with about 1.65 million people. Other major cities in this time zone include Ciudad Juárez, Hermosillo, Culiacán, Denver.
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico
Today the lighter areas are on UTC−6 (MDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Mountain Daylight Time (MDT).
End: Mountain Standard Time (MST) ended 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 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Mountain Standard Time (MST) starts 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. Standard time starts annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
MST representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
- Tango - Military abbreviation for MST
- T - short form of 'Tango'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Creston
- America/Dawson
- America/Dawson_Creek
- America/Denver
- America/Edmonton
- America/Fort_Nelson
- America/Hermosillo
- America/Inuvik
- America/Mazatlan
- America/Phoenix
- America/Shiprock
- America/Whitehorse
- America/Yellowknife
- Canada/Mountain
- Canada/Yukon
- MST
- MST7MDT
- Mexico/BajaSur
- Navajo
- US/Arizona
- US/Mountain
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Easter Island Summer Time
Offset: EASST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Chile
Principal Cities: The largest city in the EASST time zone is Hanga Roa in Chile, with about 7,322 people.
Today all shaded areas are on EASST.
Daylight Saving: Easter Island Summer Time (EASST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Easter Island Standard Time (EAST).
Start: Easter Island Summer Time (EASST) started on Saturday, September 5, 2026 at 10:00 pm22:00 local time and clocks were set one hour forward to Saturday, September 5, 2026, 11:00 pm23:00. Daylight saving starts annually on the first Saturday of September.
End: Easter Island Summer Time (EASST) ends on Saturday, April 3, 2027 at 10:00 pm22:00 local time and clocks are set one hour back to Saturday, April 3, 2027, 9:00 pm21:00 local standard time instead. Daylight saving ends annually on the first Saturday of April.
See Chile daylight saving time and upcoming clock changes worldwide.
EASST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for EASST
- R - short form of 'Romeo'
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone