Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

MSK to MDT

-9h

MSK

MSKSOURCE

UTC+03:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

MDT

UTC-06:00☀ DST active

HH03

MM00

03:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

MSK

MDT

12:00 AM

3:00 PM-1

2:00 AM

5:00 PM-1

4:00 AM

7:00 PM-1

6:00 AM

9:00 PM-1

8:00 AM

11:00 PM-1

10:00 AM

1:00 AM

12:00 PM

3:00 AM

2:00 PM

5:00 AM

4:00 PM

7:00 AM

6:00 PM

9:00 AM

8:00 PM

11:00 AM

10:00 PM

1:00 PM

Green rows indicate typical business hours (9 AM - 5 PM)

MSK and MDT on the World Map

The map below highlights the MSK (Moscow Standard Time) and MDT (Mountain Daylight Time) timezone regions across the globe.

MSK Zone

→

MDT Zone

Explore all world timezones interactively →

MSK – Moscow Standard Time

UTC+03:00

Moscow Standard Time (MSK) is the time zone for Moscow and western Russia, 3 hours ahead of UTC.

Countries in MSK

Russia (Moscow, St. Petersburg, western regions)

Major Cities in MSK

MoscowSt. PetersburgVolgogradNizhny NovgorodKazanSamaraRostov-on-Don

Key Facts about MSK

•All Russian train timetables use Moscow Time, regardless of location.
•Russia abolished daylight saving time in 2011.
•Moscow is the most populous city in Europe with over 12 million residents.
•MSK shares the offset with Saudi Arabia (AST) and East Africa (EAT).

Daylight Saving:No – UTC+03:00 year-round

Learn more about MSK on Wikipedia

MDT – Mountain Daylight Time

UTC-06:00

Mountain Daylight Time (MDT) is the daylight saving offset in the Mountain Time Zone, 6 hours behind UTC.

Countries in MDT

United States (Mountain)Canada (Alberta)

Major Cities in MDT

DenverCalgaryEdmontonSalt Lake CityBoise

Key Facts about MDT

•MDT shares the same offset as CST (UTC-06:00).
•Arizona does not switch to MDT, remaining on MST.

Daylight Saving:Yes – switches to MST

Learn more about MDT on Wikipedia

MSK vs MDT: Offsets, DST and Best Call Times

MSK runs on Moscow Standard Time (MSK) at UTC+03:00. MDT runs on Mountain Daylight Time (MDT) at UTC-06:00. That puts MSK 9 hours behind MDT — a difference of -9h at the current offsets.

In practice, when it is 9:00 AM in MSK it is 12:00 AM in MDT. Midnight in MSK is 3:00 PM in MDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.

MSK to MDT time conversion table

MSK (MSK)	MDT (MDT)	Day
12:00 AM	3:00 PM	previous day
6:00 AM	9:00 PM	previous day
7:00 AM	10:00 PM	previous day
8:00 AM	11:00 PM	previous day
9:00 AM	12:00 AM	same day
12:00 PM	3:00 AM	same day
3:00 PM	6:00 AM	same day
5:00 PM	8:00 AM	same day
6:00 PM	9:00 AM	same day
9:00 PM	12:00 PM	same day

Why people convert MSK to MDT time

Scheduling a call from MSK to MDT: a 10:00 AM start in MSK lands at 1:00 AM in MDT, so you can confirm the slot without doing the arithmetic yourself.
Handling a -9h gap: MSK and MDT have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in MDT is 12:00 AM in MSK.
Keeping family and friends in sync: knowing that 8:00 PM in MSK is 11:00 AM in MDT makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM MSK" is unambiguous; "3 PM" across a -9h gap is not.
With a -9h gap there is no shared 9-to-5 window, so alternate the early start: one week MSK takes the early slot, the next week MDT does.

About MSK (Moscow Standard Time)

Moscow Standard Time (MSK) is the time zone used in Moscow, St. Petersburg, and much of western Russia. Russia abolished DST in 2011, so MSK is observed year-round. MSK is also the reference time for Russian railways – all train schedules in Russia are given in Moscow Time regardless of the actual local time zone.

About MDT (Mountain Daylight Time)

Mountain Daylight Time (MDT) is observed during summer months in the Mountain Time Zone, except in Arizona which stays on MST year-round. MDT aligns with Central Standard Time (CST) at UTC-06:00.

Best time to call between MSK and MDT

With a -9h offset there is no overlap inside a normal 9 AM – 5 PM day. MDT opens at 9:00 AM MDT, which is 12:00 AM in MSK, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

MSK and MDT have no shared working hours because of the -9h gap. Teams need to alternate early starts or rely on asynchronous handovers.

MSK is 9 hours behind MDT (MSK UTC+03:00 → MDT UTC-06:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.