Washington, D.C. Time to MST Converter

MST is 2 hours behind EST. 9:00 AM EST = 7:00 AM MST.

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Washington, D.C., USA
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Mountain Standard Time
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MST is 2 hours behind EST. To convert Washington, D.C. Time to MST, subtract 2 hours from the Washington, D.C. Time time: 9:00 AM EST = 7:00 AM MST.

Washington, D.C. Time (Washington, D.C. time) is used in Washington, D.C., USA. MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year.

Most of Arizona uses MST all year and does not switch to MDT.

Washington, D.C. Time to MST time conversion table

Washington, D.C. Time to MST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

Washington, D.C. TimeMSTDay
12:00 AM EST10:00 PM MSTprevious day
1:00 AM EST11:00 PM MSTprevious day
2:00 AM EST12:00 AM MSTnight
3:00 AM EST1:00 AM MSTnight
4:00 AM EST2:00 AM MSTnight
5:00 AM EST3:00 AM MSTnight
6:00 AM EST4:00 AM MSTnight
7:00 AM EST5:00 AM MSTnight
8:00 AM EST6:00 AM MST—
9:00 AM EST7:00 AM MST—
10:00 AM EST8:00 AM MST—
11:00 AM EST9:00 AM MSTwork hours
12:00 PM EST10:00 AM MSTwork hours
1:00 PM EST11:00 AM MSTwork hours
2:00 PM EST12:00 PM MSTwork hours
3:00 PM EST1:00 PM MSTwork hours
4:00 PM EST2:00 PM MSTwork hours
5:00 PM EST3:00 PM MST—
6:00 PM EST4:00 PM MST—
7:00 PM EST5:00 PM MST—
8:00 PM EST6:00 PM MST—
9:00 PM EST7:00 PM MST—
10:00 PM EST8:00 PM MST—
11:00 PM EST9:00 PM MST—
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert Washington, D.C. Time to MST

Subtract 2 hours from the Washington, D.C. Time time to get MST.

Example: 9:00 AM EST = 7:00 AM MST.

Across midnight: 1:00 AM EST = 11:00 PM MST (previous day). The date changes, so always check the day as well as the hour.

Time difference between Washington, D.C. Time and MST

The time difference between Washington, D.C. Time and MST is 2 hours all year – MST is behind EST.

Washington, D.C. Time and MST during daylight saving time

  • Washington, D.C. Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).
  • MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).

Best time for a meeting between Washington, D.C. Time and MST

Washington, D.C. Time and MST share 6 hours of the 9 AM–5 PM working day. Any time between 11:00 AM and 5:00 PM EST lands between 9:00 AM and 3:00 PM MST, inside working hours for both.

Plan a meeting across more time zones.

Washington, D.C. Time to MST FAQ

What is the time difference between Washington, D.C. Time and MST?

MST is 2 hours behind EST all year. 9:00 AM EST = 7:00 AM MST.

What is 9 AM Washington, D.C. Time in MST?

9:00 AM EST is 7:00 AM MST.

What is 12 PM (noon) Washington, D.C. Time in MST?

12:00 PM EST is 10:00 AM MST.

Is MST ahead of or behind Washington, D.C. Time?

MST is 2 hours behind EST, so it is earlier in MST than in Washington, D.C. Time.

Does Washington, D.C. Time change for daylight saving time?

Yes. Washington, D.C. Time next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.

Does MST change for daylight saving time?

Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.

What is the best time for a meeting between Washington, D.C. Time and MST?

Washington, D.C. Time and MST share 6 hours of the 9 AM–5 PM working day. Any time between 11:00 AM and 5:00 PM EST lands between 9:00 AM and 3:00 PM MST, inside working hours for both.

Is MT the same as MST?

MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.

Related conversions

Convert MST to Washington, D.C. Time

Convert Washington, D.C. Time to other time zones

Convert other time zones to MST

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.