Sao Paulo to St.Catharines: time difference
St.Catharines is 1 h behind Sao Paulo. 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.
Sao Paulo 03:51 3:51 AM St.Catharines 02:51 2:51 AM You –:–
03:51 3:51 AM
Brasilia Standard Time · UTC-3
☀️ 05:29 · 🌙 18:14
02:51 2:51 AM
Eastern Daylight Time · UTC-4
☀️ 07:38 · 🌙 18:26
·
−1 h
St.Catharines is 1 h behind Sao Paulo.
When you, Sao Paulo and St.Catharines are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Sao Paulo
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
🇨🇦 St.Catharines
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Sao Paulo | 🇨🇦 St.Catharines |
|---|---|---|
| Local time | 03:51 | 02:51 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Brasilia Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Sao Paulo | — | −1 h |
| IANA zone | America/Sao Paulo | America/Toronto |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:29 | 07:38 |
| Sunset | 18:14 | 18:26 |
| Daylight | 12 h 45 min | 10 h 48 min |
| People on this clock | 11,451,999 | 133,113 |
Compare Sao Paulo with another city
More comparisons with Sao Paulo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sao Paulo and St.Catharines: common questions
How far behind Sao Paulo is St.Catharines?
St.Catharines is 1 hour behind Sao Paulo: UTC−4 against UTC−3.
If it is 9:00 AM in Sao Paulo, what time is it in St.Catharines?
At 9:00 AM in Sao Paulo, clocks in St.Catharines show 8:00 AM.
What time is it in St.Catharines at the end of the working day in Sao Paulo?
The working day in Sao Paulo ends at 6:00 PM; in St.Catharines it is 5:00 PM at that moment.
When do working hours in Sao Paulo and in St.Catharines overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Sao Paulo, which is 9:00 AM to 5:00 PM in St.Catharines.
When is it still the previous day in St.Catharines?
Until 1:00 AM in Sao Paulo it is still the previous day in St.Catharines. The other way round, from 11:00 PM in St.Catharines it is already the next day in Sao Paulo.
Does the time difference between Sao Paulo and St.Catharines change?
Yes. The clocks change only in St.Catharines. From November 1, 2026, St.Catharines will be 2 hours behind Sao Paulo.
