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BRT to MT time converter
US Mountain is 3 hours behind Brazil (São Paulo) for 238 days of 2026, and 4 hours behind for the other 127 days, because daylight saving changes the gap.
BRT to MT conversion table
Local time in Brazil (São Paulo) and the matching time in US Mountain on two reference dates, one in winter and one in summer for the northern hemisphere.
| Brazil (São Paulo) (BRT) | US Mountain on 15 January | US Mountain on 15 July |
|---|---|---|
| 08:00 | 04:00 | 05:00 |
| 09:00 | 05:00 | 06:00 |
| 10:00 | 06:00 | 07:00 |
| 12:00 | 08:00 | 09:00 |
| 15:00 | 11:00 | 12:00 |
| 17:00 | 13:00 | 14:00 |
| 18:00 | 14:00 | 15:00 |
| 21:00 | 17:00 | 18:00 |
Best meeting times between Brazil (São Paulo) and US Mountain
- January: Inside both working days (09:00-17:00): 13:00-17:00 BRT = 09:00-13:00 MT.
- July: Inside both working days (09:00-17:00): 12:00-17:00 BRT = 09:00-14:00 MT.
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between BRT and MT
- Brazil (São Paulo) does not change its clocks in 2026.
- US Mountain moves its clocks forward on 8 March and back on 1 November in 2026.
- The gap is 3 hours for 238 days and 4 hours for 127 days of 2026.
About the two zones
Brazil (São Paulo). Brasília Time, used in São Paulo, is UTC-3 all year. Brazil stopped daylight saving in 2019.
US Mountain. US Mountain Time is UTC-7 in winter (MST) and UTC-6 in summer (MDT). Arizona is the notable exception and stays on MST all year.
Frequently asked questions
What time is 9 AM BRT in MT?
On 15 January, 09:00 in Brazil (São Paulo) is 05:00 in US Mountain. On 15 July it is 06:00.
What is the time difference between Brazil (São Paulo) and US Mountain?
US Mountain is 3 hours behind Brazil (São Paulo) for 238 days of 2026, and 4 hours behind for the other 127 days, because daylight saving changes the gap.
Does the time difference between BRT and MT change during the year?
Yes. US Mountain changes its clocks and Brazil (São Paulo) does not, so the gap moves between 3 and 4 hours. Always convert with the actual date.
When is the best time for a meeting between Brazil (São Paulo) and US Mountain?
Inside both working days (09:00-17:00): 13:00-17:00 BRT = 09:00-13:00 MT. In July: Inside both working days (09:00-17:00): 12:00-17:00 BRT = 09:00-14:00 MT.
More conversions
Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.