Waterloo, IA to Sao Paulo: time difference
Sao Paulo is 2 h ahead of Waterloo, IA. 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.
Waterloo, IA 13:17 1:17 PM Sao Paulo 15:17 3:17 PM You –:–
13:17 1:17 PM
Central Daylight Time · UTC-5
☀️ 07:28 · 🌙 18:22
15:17 3:17 PM
Brasilia Standard Time · UTC-3
☀️ 05:31 · 🌙 18:13
·
+2 h
Sao Paulo is 2 h ahead of Waterloo, IA.
When you, Waterloo, IA 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
🇺🇸 Waterloo, IA
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
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 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Waterloo, IA | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 13:17 | 15:17 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Waterloo, IA | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:28 | 05:31 |
| Sunset | 18:22 | 18:13 |
| Daylight | 10 h 55 min | 12 h 43 min |
| People on this clock | 67,314 | 11,451,999 |
Compare Waterloo, IA with another city
More comparisons with Waterloo, IA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Waterloo, IA and Sao Paulo: common questions
How far ahead of Waterloo, IA, is Sao Paulo?
Sao Paulo is 2 hours ahead of Waterloo: UTC−3 against UTC−5.
What time is it in Sao Paulo at the start of the working day in Waterloo, IA?
The working day in Waterloo starts at 9:00 AM; in Sao Paulo it is 11:00 AM at that moment.
If it is 6:00 PM in Waterloo, IA, what time is it in Sao Paulo?
At 6:00 PM in Waterloo, clocks in Sao Paulo show 8:00 PM.
When is a good time to call Sao Paulo from Waterloo, IA?
Between 9:00 AM and 4:00 PM in Waterloo – that is 11:00 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 Waterloo, IA?
The new day starts in Sao Paulo earlier: at 10:00 PM in Waterloo it is already midnight there. Until 2:00 AM in Sao Paulo, Waterloo is still on the previous day.
Does the time gap between Waterloo, IA, and Sao Paulo change during the year?
Yes – daylight saving time is used in Waterloo but not in Sao Paulo. From November 1, 2026, Sao Paulo will be 3 hours ahead of Waterloo.
