Ottawa to Sao Paulo: time difference
Sao Paulo is 1 h ahead of Ottawa. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Ottawa 21:31 9:31 PM Sao Paulo 22:31 10:31 PM You –:–
21:31 9:31 PM
Eastern Daylight Time · UTC-4
☀️ 07:12 · 🌙 18:30
22:31 10:31 PM
Brasilia Standard Time · UTC-3
☀️ 05:40 · 🌙 18:09
·
+1 h
Sao Paulo is 1 h ahead of Ottawa.
When you, Ottawa and Sao Paulo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 Ottawa
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇧🇷 Sao Paulo
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Ottawa | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 21:31 | 22:31 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Ottawa | — | +1 h |
| IANA zone | America/Toronto | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:12 | 05:40 |
| Sunset | 18:30 | 18:09 |
| Daylight | 11 h 18 min | 12 h 29 min |
| People on this clock | 1,000,000 | 11,451,999 |
Compare Ottawa with another city
More comparisons with Ottawa: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ottawa and Sao Paulo: common questions
What is the time difference between Ottawa and Sao Paulo?
Sao Paulo is 1 hour ahead: it uses UTC−3, while Ottawa is on UTC−4.
What time is it in Sao Paulo when it is 9:00 AM in Ottawa?
When it is 9:00 AM in Ottawa, it is 10:00 AM in Sao Paulo.
If it is 6:00 PM in Ottawa, what time is it in Sao Paulo?
At 6:00 PM in Ottawa, clocks in Sao Paulo show 7:00 PM.
When is a good time to call Sao Paulo from Ottawa?
Between 9:00 AM and 5:00 PM in Ottawa – that is 10:00 AM to 6:00 PM in Sao Paulo – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Sao Paulo compared with Ottawa?
The new day starts in Sao Paulo earlier: at 11:00 PM in Ottawa it is already midnight there. Until 1:00 AM in Sao Paulo, Ottawa is still on the previous day.
Does the time difference between Ottawa and Sao Paulo change?
Yes. The clocks change only in Ottawa. From November 1, 2026, Sao Paulo will be 2 hours ahead of Ottawa.
