Buenos Aires to Union City, TN: time difference
Union City, TN is 2 h behind Buenos Aires. 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.
Buenos Aires 04:35 4:35 AM Union City, TN 02:35 2:35 AM You –:–
04:35 4:35 AM
Argentina Standard Time · UTC-3
☀️ 06:04 · 🌙 19:14
02:35 2:35 AM
Central Daylight Time · UTC-5
☀️ 07:10 · 🌙 18:12
·
−2 h
Union City, TN is 2 h behind Buenos Aires.
When you, Buenos Aires and Union City, 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
🇦🇷 Buenos Aires
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
🇺🇸 Union City, 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 | 🇦🇷 Buenos Aires | 🇺🇸 Union City, TN |
|---|---|---|
| Local time | 04:35 | 02:35 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Argentina Standard Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Buenos Aires | — | −2 h |
| IANA zone | America/Argentina/Buenos Aires | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:04 | 07:10 |
| Sunset | 19:14 | 18:12 |
| Daylight | 13 h 10 min | 11 h 2 min |
| People on this clock | 2,891,082 | 63,930 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Union City, TN: common questions
How many hours behind Buenos Aires is Union City, TN?
The clocks in Union City are 2 hours behind those in Buenos Aires (UTC−5 and UTC−3).
What time is it in Union City, TN, at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Union City it is 7:00 AM at that moment.
If it is 6:00 PM in Buenos Aires, what time is it in Union City, TN?
At 6:00 PM in Buenos Aires, clocks in Union City show 4:00 PM.
Is there a time when both Buenos Aires and Union City, TN, are at work?
Yes: from 11:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 4:00 PM in Union City), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Union City, TN, compared with Buenos Aires?
The new day starts in Union City later: until 2:00 AM in Buenos Aires, it is still the previous day there. From 10:00 PM in Union City, Buenos Aires is already on the next day.
Is the time difference between Buenos Aires and Union City, TN, the same all year?
No. Only Union City switches to summer time, so the gap changes twice a year. From November 1, 2026, Union City will be 3 hours behind Buenos Aires.
