Buenos Aires to Tacna: time difference
Tacna 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 15:53 3:53 PM Tacna 13:53 1:53 PM You –:–
15:53 3:53 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
13:53 1:53 PM
Peru Standard Time · UTC-5
☀️ 05:11 · 🌙 17:43
·
−2 h
Tacna is 2 h behind Buenos Aires.
When you, Buenos Aires and Tacna 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
🇵🇪 Tacna
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 | 🇵🇪 Tacna |
|---|---|---|
| Local time | 15:53 | 13:53 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Argentina Standard Time | Peru Standard Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Buenos Aires | — | −2 h |
| IANA zone | America/Argentina/Buenos Aires | America/Lima |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:10 | 05:11 |
| Sunset | 19:10 | 17:43 |
| Daylight | 13 h | 12 h 31 min |
| People on this clock | 2,891,082 | 92,972 |
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 Tacna: common questions
How many hours behind Buenos Aires is Tacna?
The clocks in Tacna are 2 hours behind those in Buenos Aires (UTC−5 and UTC−3).
What time is it in Tacna at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Tacna it is 7:00 AM at that moment.
If it is 6:00 PM in Buenos Aires, what time is it in Tacna?
At 6:00 PM in Buenos Aires, clocks in Tacna show 4:00 PM.
Is there a time when both Buenos Aires and Tacna are at work?
Yes: from 11:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 4:00 PM in Tacna), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Tacna?
Until 2:00 AM in Buenos Aires it is still the previous day in Tacna. The other way round, from 10:00 PM in Tacna it is already the next day in Buenos Aires.
Does the time difference between Buenos Aires and Tacna change?
No. Neither place uses daylight saving time, so the difference stays 2 hours all year.
