Brazil Time to MST Converter
MST is 4 hours behind BRT. 9:00 AM BRT = 5:00 AM MST.
MST is 4 hours behind BRT at the moment. To convert Brazil Time to MST, subtract 4 hours from the Brazil Time time: 9:00 AM BRT = 5:00 AM MST.
Brazil Time (Brazil time) is used in Brazil. 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.
Brazil Time to MST time conversion table
Brazil Time to MST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Brazil Time | MST | Day |
|---|---|---|
| 12:00 AM BRT | 8:00 PM MST | previous day |
| 1:00 AM BRT | 9:00 PM MST | previous day |
| 2:00 AM BRT | 10:00 PM MST | previous day |
| 3:00 AM BRT | 11:00 PM MST | previous day |
| 4:00 AM BRT | 12:00 AM MST | night |
| 5:00 AM BRT | 1:00 AM MST | night |
| 6:00 AM BRT | 2:00 AM MST | night |
| 7:00 AM BRT | 3:00 AM MST | night |
| 8:00 AM BRT | 4:00 AM MST | night |
| 9:00 AM BRT | 5:00 AM MST | night |
| 10:00 AM BRT | 6:00 AM MST | — |
| 11:00 AM BRT | 7:00 AM MST | — |
| 12:00 PM BRT | 8:00 AM MST | — |
| 1:00 PM BRT | 9:00 AM MST | work hours |
| 2:00 PM BRT | 10:00 AM MST | work hours |
| 3:00 PM BRT | 11:00 AM MST | work hours |
| 4:00 PM BRT | 12:00 PM MST | work hours |
| 5:00 PM BRT | 1:00 PM MST | — |
| 6:00 PM BRT | 2:00 PM MST | — |
| 7:00 PM BRT | 3:00 PM MST | — |
| 8:00 PM BRT | 4:00 PM MST | — |
| 9:00 PM BRT | 5:00 PM MST | — |
| 10:00 PM BRT | 6:00 PM MST | — |
| 11:00 PM BRT | 7:00 PM MST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Brazil Time to MST
Subtract 4 hours from the Brazil Time time to get MST.
Example: 9:00 AM BRT = 5:00 AM MST.
Across midnight: 1:00 AM BRT = 9:00 PM MST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Brazil Time and MST
The time difference between Brazil Time and MST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 7 Mar 2026: MST is 4 hours behind of Brazil Time.
- 8 Mar 2026 – 31 Oct 2026: MST is 3 hours behind of Brazil Time.
- 1 Nov 2026 – 30 Dec 2026: MST is 4 hours behind of Brazil Time.
Brazil Time and MST during daylight saving time
- Brazil Time does not observe daylight saving time; it stays on UTC−3 all year.
- 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 Brazil Time and MST
Brazil Time and MST share 4 hours of the 9 AM–5 PM working day. Any time between 1:00 PM and 5:00 PM BRT lands between 9:00 AM and 1:00 PM MST, inside working hours for both.
Brazil Time to MST FAQ
What is the time difference between Brazil Time and MST?
Right now MST is 4 hours behind BRT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Brazil Time in MST?
9:00 AM BRT is 5:00 AM MST.
What is 12 PM (noon) Brazil Time in MST?
12:00 PM BRT is 8:00 AM MST.
Is MST ahead of or behind Brazil Time?
MST is 4 hours behind BRT, so it is earlier in MST than in Brazil Time.
Does Brazil Time change for daylight saving time?
No. Brazil Time stays on the same offset all year, so conversions never shift for daylight saving time.
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 Brazil Time and MST?
Brazil Time and MST share 4 hours of the 9 AM–5 PM working day. Any time between 1:00 PM and 5:00 PM BRT lands between 9:00 AM and 1:00 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 Brazil Time
Convert Brazil Time to other time zones
Convert other time zones to MST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.