St.Catharines to Sao Paulo: time difference
Sao Paulo is 1 h ahead of St.Catharines. 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.
St.Catharines 02:03 2:03 AM Sao Paulo 03:03 3:03 AM You –:–
02:03 2:03 AM
Eastern Daylight Time · UTC-4
☀️ 07:38 · 🌙 18:26
03:03 3:03 AM
Brasilia Standard Time · UTC-3
☀️ 05:29 · 🌙 18:14
·
+1 h
Sao Paulo is 1 h ahead of St.Catharines.
When you, St.Catharines 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
🇨🇦 St.Catharines
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 | 🇨🇦 St.Catharines | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 02:03 | 03:03 |
| 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 St.Catharines | — | +1 h |
| IANA zone | America/Toronto | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:38 | 05:29 |
| Sunset | 18:26 | 18:14 |
| Daylight | 10 h 48 min | 12 h 45 min |
| People on this clock | 133,113 | 11,451,999 |
Compare St.Catharines with another city
More comparisons with St.Catharines: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
St.Catharines and Sao Paulo: common questions
What is the time difference between St.Catharines and Sao Paulo?
Sao Paulo is 1 hour ahead: it uses UTC−3, while St.Catharines is on UTC−4.
What time is it in Sao Paulo at the start of the working day in St.Catharines?
The working day in St.Catharines starts at 9:00 AM; in Sao Paulo it is 10:00 AM at that moment.
If it is 6:00 PM in St.Catharines, what time is it in Sao Paulo?
At 6:00 PM in St.Catharines, clocks in Sao Paulo show 7:00 PM.
Is there a time when both St.Catharines and Sao Paulo are at work?
Yes: from 9:00 AM to 5:00 PM in St.Catharines (10:00 AM to 6:00 PM in Sao Paulo), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Sao Paulo compared with St.Catharines?
The new day starts in Sao Paulo earlier: at 11:00 PM in St.Catharines it is already midnight there. Until 1:00 AM in Sao Paulo, St.Catharines is still on the previous day.
Does the time gap between St.Catharines and Sao Paulo change during the year?
Yes – daylight saving time is used in St.Catharines but not in Sao Paulo. From November 1, 2026, Sao Paulo will be 2 hours ahead of St.Catharines.
