Thunder Bay to Sao Paulo Time Difference
Sao Paulo is 1 hour ahead of Thunder Bay
24-Hour Comparison
Business hours Extended Off hours
Thunder Bay
04p
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
03a
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
Sao Paulo
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
03a
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
Each column is the same moment in both cities, starting from right now and rolling forward 24 hours — daylight saving is already accounted for.
Best Time to Call
On a typical weekday (Monday–Friday).
- 09:00 AM – 04:00 PM in Thunder Bay10:00 AM – 05:00 PM in Sao Paulo
Frequently Asked Questions
- What is the time difference between Thunder Bay and Sao Paulo?
- Sao Paulo is 1 hour ahead of Thunder Bay. Thunder Bay is currently UTC-4 and Sao Paulo is UTC-3.
- Is Sao Paulo ahead of or behind Thunder Bay?
- Sao Paulo is ahead of Thunder Bay.
- What is the best time to call Sao Paulo from Thunder Bay?
- On a typical weekday, the best time is 09:00 AM–04:00 PM in Thunder Bay (10:00 AM–05:00 PM in Sao Paulo), when both cities are within business hours.
- Does the time difference between Thunder Bay and Sao Paulo change during the year?
- Yes. Thunder Bay and Sao Paulo don't switch to daylight saving time on the same schedule, so the offset shifts by up to an hour for part of the year.