Union City, TN to Rio de Janeiro: time difference
Rio de Janeiro is 2 h ahead of Union City, TN. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Union City, TN 03:14 3:14 AM Rio de Janeiro 05:14 5:14 AM You –:–
03:14 3:14 AM
Central Daylight Time · UTC-5
☀️ 07:10 · 🌙 18:12
05:14 5:14 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
·
+2 h
Rio de Janeiro is 2 h ahead of Union City, TN.
When you, Union City, TN and Rio de Janeiro are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Union City, TN
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
🇧🇷 Rio de Janeiro
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
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Time zones side by side
| Detail | 🇺🇸 Union City, TN | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 03:14 | 05:14 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Union City, TN | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:10 | 05:15 |
| Sunset | 18:12 | 18:01 |
| Daylight | 11 h 2 min | 12 h 45 min |
| People on this clock | 63,930 | 6,211,223 |
Compare Union City, TN with another city
More comparisons with Union City, TN: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Union City, TN and Rio de Janeiro: common questions
How far ahead of Union City, TN, is Rio de Janeiro?
Rio de Janeiro is 2 hours ahead of Union City: UTC−3 against UTC−5.
What time is it in Rio de Janeiro at the start of the working day in Union City, TN?
The working day in Union City starts at 9:00 AM; in Rio de Janeiro it is 11:00 AM at that moment.
If it is 6:00 PM in Union City, TN, what time is it in Rio de Janeiro?
At 6:00 PM in Union City, clocks in Rio de Janeiro show 8:00 PM.
When is a good time to call Rio de Janeiro from Union City, TN?
Between 9:00 AM and 4:00 PM in Union City – that is 11:00 AM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
From what time in Union City, TN, is it tomorrow in Rio de Janeiro?
Once it is 10:00 PM in Union City, the date in Rio de Janeiro has already changed. Until 2:00 AM in Rio de Janeiro, it is still the previous day in Union City.
Does the time difference between Union City, TN, and Rio de Janeiro change?
Yes. The clocks change only in Union City. From November 1, 2026, Rio de Janeiro will be 3 hours ahead of Union City.
