Châteauguay, QC to Sao Paulo: time difference
Sao Paulo is 1 h ahead of Châteauguay, QC. 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.
Châteauguay, QC 00:28 12:28 AM Sao Paulo 01:28 1:28 AM You –:–
00:28 12:28 AM
Eastern Daylight Time · UTC-4
☀️ 07:18 · 🌙 18:03
01:28 1:28 AM
Brasilia Standard Time · UTC-3
☀️ 05:29 · 🌙 18:14
·
+1 h
Sao Paulo is 1 h ahead of Châteauguay, QC.
When you, Châteauguay, QC 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
🇨🇦 Châteauguay, QC
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 | 🇨🇦 Châteauguay, QC | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 00:28 | 01:28 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Châteauguay, QC | — | +1 h |
| IANA zone | America/Toronto | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:18 | 05:29 |
| Sunset | 18:03 | 18:14 |
| Daylight | 10 h 45 min | 12 h 45 min |
| People on this clock | 42,786 | 11,451,999 |
Compare Châteauguay, QC with another city
More comparisons with Châteauguay, QC: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Châteauguay, QC and Sao Paulo: common questions
What is the time difference between Châteauguay, QC, and Sao Paulo?
Sao Paulo is 1 hour ahead: it uses UTC−3, while Châteauguay is on UTC−4.
What time is it in Sao Paulo at the start of the working day in Châteauguay, QC?
The working day in Châteauguay starts at 9:00 AM; in Sao Paulo it is 10:00 AM at that moment.
What time is it in Sao Paulo when it is 6:00 PM in Châteauguay, QC?
When it is 6:00 PM in Châteauguay, it is 7:00 PM in Sao Paulo.
When is a good time to call Sao Paulo from Châteauguay, QC?
Between 9:00 AM and 5:00 PM in Châteauguay – 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 Châteauguay, QC?
The new day starts in Sao Paulo earlier: at 11:00 PM in Châteauguay it is already midnight there. Until 1:00 AM in Sao Paulo, Châteauguay is still on the previous day.
Is the time difference between Châteauguay, QC, and Sao Paulo the same all year?
No. Only Châteauguay switches to summer time, so the gap changes twice a year. From November 1, 2026, Sao Paulo will be 2 hours ahead of Châteauguay.
