Offset
The time difference between São Paulo and Ottawa is 1 hour.
São Paulo (BRT) is ahead of Ottawa (EDT).
BRT: UTC-3
EDT: UTC-4
Ottawa is currently observing daylight saving time; São Paulo is not.
When to schedule
Business-hours overlap: 10 AM–5 PM in São Paulo (9 AM–4 PM in Ottawa).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM São Paulo (12:00 PM Ottawa).
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
Canada
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Victoria DayMon, May 18
- Canada DayWed, Jul 1
- Labour DayMon, Sep 7
- National Day for Truth and ReconciliationWed, Sep 30
- ThanksgivingMon, Oct 12
- 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 | Ottawa | Day |
|---|---|---|
| 12:00 am | 11:00 pm | -1 day |
| 1:00 am | 12:00 am | Same day |
| 2:00 am | 1:00 am | Same day |
| 3:00 am | 2:00 am | Same day |
| 4:00 am | 3:00 am | Same day |
| 5:00 am | 4:00 am | Same day |
| 6:00 am | 5:00 am | Same day |
| 7:00 am | 6:00 am | Same day |
| 8:00 am | 7:00 am | Same day |
| 9:00 am | 8:00 am | Same day |
| 10:00 am | 9:00 am | Same day |
| 11:00 am | 10:00 am | Same day |
| 12:00 pm | 11:00 am | Same day |
| 1:00 pm | 12:00 pm | Same day |
| 2:00 pm | 1:00 pm | Same day |
| 3:00 pm | 2:00 pm | Same day |
| 4:00 pm | 3:00 pm | Same day |
| 5:00 pm | 4:00 pm | Same day |
| 6:00 pm | 5:00 pm | Same day |
| 7:00 pm | 6:00 pm | Same day |
| 8:00 pm | 7:00 pm | Same day |
| 9:00 pm | 8:00 pm | Same day |
| 10:00 pm | 9:00 pm | Same day |
| 11:00 pm | 10:00 pm | Same day |
Daylight saving time
Ottawa observes daylight saving time; São Paulo does not. The offset between the two zones changes when Ottawa transitions: on Sunday, November 1, 2026, clocks fall back from EDT to EST.
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
- 5:16 AM
- Sunset
- 8:49 PM
- Day length
- 15h 33m
Cities in these zones
Other cities in Brasilia Time
Other cities in Eastern 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 Eastern Time
- YTZ
- YYZ
- YHU
- YMX
- YUL
- YND
- YOW
- YRO
Related conversions
Common conversions
- What is 9:00 am São Paulo in Ottawa?
- 9:00 am São Paulo is 8:00 am Ottawa.
- What is 12:00 pm São Paulo in Ottawa?
- 12:00 pm São Paulo is 11:00 am Ottawa.
- What is 12:30 pm São Paulo in Ottawa?
- 12:30 pm São Paulo is 11:30 am Ottawa.
- What is 2:00 pm São Paulo in Ottawa?
- 2:00 pm São Paulo is 1:00 pm Ottawa.
- What is 5:00 pm São Paulo in Ottawa?
- 5:00 pm São Paulo is 4:00 pm Ottawa.
- What is 11:30 pm São Paulo in Ottawa?
- 11:30 pm São Paulo is 10:30 pm Ottawa.