MDT to MSK Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
9:00 am09:00 MST (UTC-7), Nov 1, 2026 = 7:00 pm19:00 MSK (UTC+3), Nov 1, 2026
MST is 10 hours behind MSK.
MDT and MSK examples
These examples always use MDT (UTC-6) and MSK (UTC+3). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
MDT is 9 hours behind MSK.
How the time difference changes
For most of the year, MDT is 9 hours behind MSK. From Nov 1, 2026 to Mar 14, 2027, MST is 10 hours behind MSK.
For most of the year, working hours of 9:00 am to 6:00 pm in MDT correspond to 6:00 pm to 3:00 am (next day) in MSK. At other times of the year, working hours of 9:00 am to 6:00 pm in MST correspond to 7:00 pm to 4:00 am (next day) in MSK.For most of the year, working hours of 09:00 to 18:00 in MDT correspond to 18:00 to 03:00 (next day) in MSK. At other times of the year, working hours of 09:00 to 18:00 in MST correspond to 19:00 to 04:00 (next day) in MSK.
Compare MDT time with MSK time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Mountain Standard Time is 10 hours behind Moscow Standard Time.
9:00 am09:00 in MST is 7:00 pm19:00 in MSK
MST to MSK call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in MST which corresponds to 6pm-7pm18:00-19:00 in MSK. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
9:00 am09:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
7:00 pm19:00 Moscow Standard Time (MSK). Offset UTC +3:00 hours
9:00 am09:00 MST / 7:00 pm19:00 MSK
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 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
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).
End: 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.
Start: 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
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -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.
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Moscow Standard Time
Offset: MSK is 3 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Russia, Ukraine
Principal Cities: The largest city in the MSK time zone is Moscow in Russia, with about 10.381 million people. Other major cities in this time zone include Saint Petersburg, Nizhniy Novgorod, Kazan, Rostov-on-Don.
Daylight Saving: Clocks in Moscow Standard Time (MSK) do not change for daylight saving time, so MSK stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
MSK representations, usage and related time zones
- +03 - basic short
- +0300 - basic
- +03:00 - extended
- +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
- Charlie - Military abbreviation for MSK
- C - short form of 'Charlie'
- Europe/Kirov
- Europe/Moscow
- Europe/Simferopol
- Europe/Volgograd
- W-SU
- EEST - Eastern European Summer Time
- MSK - Moscow Standard Time
- AST - Arabia Standard Time
- C - Charlie Time Zone
- EAT - Eastern Africa Time
- FET - Further Eastern European Time
- IDT - Israel Daylight Time
- TRT - Turkey Time