Offset
The time difference between São Paulo and Boise is 3 hours.
São Paulo (BRT) is ahead of Boise (MDT).
BRT: UTC-3
MDT: UTC-6
Boise is currently observing daylight saving time; São Paulo is not.
When to schedule
Business-hours overlap: 12 PM–5 PM in São Paulo (9 AM–2 PM in Boise).
Both teams are in working hours during this window on weekdays.
Suggested time: 2:00 PM São Paulo (11:00 AM Boise).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Brazil
- New Year's DayThu, Jan 1
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- TiradentesTue, Apr 21
- Labour DayFri, May 1
- Corpus ChristiThu, Jun 4
- Independence DayMon, Sep 7
- Our Lady of AparecidaMon, Oct 12
- All Souls' DayMon, Nov 2
- Republic Proclamation DaySun, Nov 15
- Black Awareness DayFri, Nov 20
- Christmas DayFri, Dec 25
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| São Paulo | Boise | Day |
|---|---|---|
| 12:00 am | 9:00 pm | -1 day |
| 1:00 am | 10:00 pm | -1 day |
| 2:00 am | 11:00 pm | -1 day |
| 3:00 am | 12:00 am | Same day |
| 4:00 am | 1:00 am | Same day |
| 5:00 am | 2:00 am | Same day |
| 6:00 am | 3:00 am | Same day |
| 7:00 am | 4:00 am | Same day |
| 8:00 am | 5:00 am | Same day |
| 9:00 am | 6:00 am | Same day |
| 10:00 am | 7:00 am | Same day |
| 11:00 am | 8:00 am | Same day |
| 12:00 pm | 9:00 am | Same day |
| 1:00 pm | 10:00 am | Same day |
| 2:00 pm | 11:00 am | Same day |
| 3:00 pm | 12:00 pm | Same day |
| 4:00 pm | 1:00 pm | Same day |
| 5:00 pm | 2:00 pm | Same day |
| 6:00 pm | 3:00 pm | Same day |
| 7:00 pm | 4:00 pm | Same day |
| 8:00 pm | 5:00 pm | Same day |
| 9:00 pm | 6:00 pm | Same day |
| 10:00 pm | 7:00 pm | Same day |
| 11:00 pm | 8:00 pm | Same day |
Daylight saving time
Boise observes daylight saving time; São Paulo does not. The offset between the two zones changes when Boise transitions: on Sunday, November 1, 2026, clocks fall back from MDT to MST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:45 AM
- Sunset
- 5:28 PM
- Day length
- 10h 43m
- Sunrise
- 6:05 AM
- Sunset
- 9:24 PM
- Day length
- 15h 20m
Cities in these zones
Other cities in Brasilia Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Brasilia Time
- CGH
- GRU
- GIG
- SDU
- CNF
- BSB
- CWB
- GYN
- POA
Airports in Mountain Time
- BOI
Related conversions
Common conversions
- What is 9:00 am São Paulo in Boise?
- 9:00 am São Paulo is 6:00 am Boise.
- What is 12:00 pm São Paulo in Boise?
- 12:00 pm São Paulo is 9:00 am Boise.
- What is 12:30 pm São Paulo in Boise?
- 12:30 pm São Paulo is 9:30 am Boise.
- What is 2:00 pm São Paulo in Boise?
- 2:00 pm São Paulo is 11:00 am Boise.
- What is 5:00 pm São Paulo in Boise?
- 5:00 pm São Paulo is 2:00 pm Boise.
- What is 11:30 pm São Paulo in Boise?
- 11:30 pm São Paulo is 8:30 pm Boise.