Rio de Janeiro to Byrdstown, TN: time difference
Byrdstown, TN 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 18:31 6:31 PM Byrdstown, TN 16:31 4:31 PM You –:–
18:31 6:31 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
16:31 4:31 PM
Central Daylight Time · UTC-5
☀️ 06:53 · 🌙 17:59
·
−2 h
Byrdstown, TN is 2 h behind Rio de Janeiro.
When you, Rio de Janeiro and Byrdstown, TN 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
🇺🇸 Byrdstown, TN
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 | 🇺🇸 Byrdstown, TN |
|---|---|---|
| Local time | 18:31 | 16:31 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 05:17 | 06:53 |
| Sunset | 18:00 | 17:59 |
| Daylight | 12 h 43 min | 11 h 6 min |
| People on this clock | 6,211,223 | 800 |
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 Byrdstown, TN: common questions
What is the time difference between Rio de Janeiro and Byrdstown, TN?
Byrdstown is 2 hours behind: it uses UTC−5, while Rio de Janeiro is on UTC−3.
If it is 9:00 AM in Rio de Janeiro, what time is it in Byrdstown, TN?
At 9:00 AM in Rio de Janeiro, clocks in Byrdstown show 7:00 AM.
What time is it in Byrdstown, TN, when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 4:00 PM in Byrdstown.
When is a good time to call Byrdstown, TN, 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 Byrdstown – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Byrdstown, TN, compared with Rio de Janeiro?
The new day starts in Byrdstown later: until 2:00 AM in Rio de Janeiro, it is still the previous day there. From 10:00 PM in Byrdstown, Rio de Janeiro is already on the next day.
Does the time difference between Rio de Janeiro and Byrdstown, TN, change?
Yes. The clocks change only in Byrdstown. From November 1, 2026, Byrdstown will be 3 hours behind Rio de Janeiro.
