MST to ECT Converter
Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
MST and ECT examples
These examples always use MST (UTC-7) and ECT (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 ECT.
How the time difference changes
For most of the year, MDT is 1 hour behind ECT. At other times of the year, MST is 2 hours behind ECT.
For most of the year, working hours of 9:00 am to 5:00 pm in MDT correspond to 10:00 am to 6:00 pm in ECT. At other times of the year, working hours of 9:00 am to 5:00 pm in MST correspond to 11:00 am to 7:00 pm in ECT.
Compare MST time with ECT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Mountain Standard Time is 2 hours behind Ecuador Time
5:00 am05:00 in MST is 7:00 am07:00 in ECT
MST to ECT call time
Best time for a conference call or a meeting is between 9am-3pm in MST which corresponds to 11am-5pm in ECT
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
7:00 am07:00 Ecuador Time (ECT). Offset UTC -5:00 hours
5:00 am05:00 MST / 7:00 am07:00 ECT
| MST | ECT |
|---|---|
| 12am (midnight) | 2am |
| 1am | 3am |
| 2am | 4am |
| 3am | 5am |
| 4am | 6am |
| 5am | 7am |
| 6am | 8am |
| 7am | 9am |
| 8am | 10am |
| 9am | 11am |
| 10am | 12pm (noon) |
| 11am | 1pm |
| 12pm (noon) | 2pm |
| 1pm | 3pm |
| 2pm | 4pm |
| 3pm | 5pm |
| 4pm | 6pm |
| 5pm | 7pm |
| 6pm | 8pm |
| 7pm | 9pm |
| 8pm | 10pm |
| 9pm | 11pm |
| 10pm | 12am (midnight) |
| 11pm | 1am |
| 00:00 | 02:00 |
| 01:00 | 03:00 |
| 02:00 | 04:00 |
| 03:00 | 05:00 |
| 04:00 | 06:00 |
| 05:00 | 07:00 |
| 06:00 | 08:00 |
| 07:00 | 09:00 |
| 08:00 | 10:00 |
| 09:00 | 11:00 |
| 10:00 | 12:00 |
| 11:00 | 13:00 |
| 12:00 | 14:00 |
| 13:00 | 15:00 |
| 14:00 | 16:00 |
| 15:00 | 17:00 |
| 16:00 | 18:00 |
| 17:00 | 19:00 |
| 18:00 | 20:00 |
| 19:00 | 21:00 |
| 20:00 | 22:00 |
| 21:00 | 23:00 |
| 22:00 | 00:00 |
| 23:00 | 01:00 |
Mountain Standard Time
Offset: MST is 7 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 MST time zone is Phoenix in the United States, with about 1.65 million people. Other major cities in this time zone include Calgary, Edmonton, Hermosillo, Culiacan.
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico

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).
Start: Mountain Standard Time (MST) started 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. Standard time starts annually on the first Sunday of November.
End: Mountain Standard Time (MST) ends 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 local daylight time instead. Standard time ends annually on the second Sunday of March.
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
Ecuador Time
Offset: ECT is 5 hours behind Greenwich Mean Time (GMT) and is used in South America
Countries using this time zone: Ecuador
Principal Cities: The largest city in the ECT time zone is Quito in Ecuador, with about 2.782 million people. Other major cities in this time zone include Guayaquil, Cuenca, Santo Domingo de los Colorados, Machala.
Daylight Saving: Clocks in Ecuador Time (ECT) do not change for daylight saving time, so ECT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

ECT 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 ECT
- 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
