Rio de Janeiro to Tulsa, OK: time difference
Tulsa, OK is 2 h behind Rio de Janeiro. 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.
Rio de Janeiro 08:28 8:28 AM Tulsa, OK 06:28 6:28 AM You –:–
08:28 8:28 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
06:28 6:28 AM
Central Daylight Time · UTC-5
☀️ 07:27 · 🌙 18:56
·
−2 h
Tulsa, OK is 2 h behind Rio de Janeiro.
When you, Rio de Janeiro and Tulsa, OK are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Rio de Janeiro
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
🇺🇸 Tulsa, OK
22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇺🇸 Tulsa, OK |
|---|---|---|
| Local time | 08:28 | 06:28 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Rio de Janeiro | — | −2 h |
| IANA zone | America/Sao Paulo | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:26 | 07:27 |
| Sunset | 17:55 | 18:56 |
| Daylight | 12 h 30 min | 11 h 29 min |
| People on this clock | 6,211,223 | 413,066 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and Tulsa, OK: common questions
How many hours behind Rio de Janeiro is Tulsa, OK?
The clocks in Tulsa are 2 hours behind those in Rio de Janeiro (UTC−5 and UTC−3).
If it is 9:00 AM in Rio de Janeiro, what time is it in Tulsa, OK?
At 9:00 AM in Rio de Janeiro, clocks in Tulsa show 7:00 AM.
If it is 6:00 PM in Rio de Janeiro, what time is it in Tulsa, OK?
At 6:00 PM in Rio de Janeiro, clocks in Tulsa show 4:00 PM.
When is a good time to call Tulsa, OK, from Rio de Janeiro?
Between 11:00 AM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 4:00 PM in Tulsa – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Tulsa, OK?
Until 2:00 AM in Rio de Janeiro it is still the previous day in Tulsa. The other way round, from 10:00 PM in Tulsa it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Tulsa, OK, change?
Yes. The clocks change only in Tulsa. From November 1, 2026, Tulsa will be 3 hours behind Rio de Janeiro.
