Onesti to Buenos Aires: time difference
Buenos Aires is 6 h behind Onesti. 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.
Onesti 21:53 9:53 PM Buenos Aires 15:53 3:53 PM You –:–
21:53 9:53 PM
Eastern European Summer Time · UTC+3
☀️ 07:33 · 🌙 18:25
15:53 3:53 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−6 h
Buenos Aires is 6 h behind Onesti.
When you, Onesti and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇷🇴 Onesti
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
🇦🇷 Buenos Aires
18 6 PM 19 7 PM 20 8 PM 21 9 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇷🇴 Onesti | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 21:53 | 15:53 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern European Summer Time | Argentina Standard Time |
| UTC offset | UTC+3 | UTC-3 |
| Offset from Onesti | — | −6 h |
| IANA zone | Europe/Bucharest | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | Not observed |
| Sunrise | 07:33 | 06:10 |
| Sunset | 18:25 | 19:10 |
| Daylight | 10 h 52 min | 13 h |
| People on this clock | 57,333 | 2,891,082 |
Compare Onesti with another city
More comparisons with Onesti: the time zones next to it and the far side of the clock.
Big time differences
Onesti and Buenos Aires: common questions
What is the time difference between Onesti and Buenos Aires?
Buenos Aires is 6 hours behind: it uses UTC−3, while Onesti is on UTC+3.
What time is it in Buenos Aires when it is 9:00 AM in Onesti?
When it is 9:00 AM in Onesti, it is 3:00 AM in Buenos Aires.
If it is 6:00 PM in Onesti, what time is it in Buenos Aires?
At 6:00 PM in Onesti, clocks in Buenos Aires show 12:00 PM.
Is there a time when both Onesti and Buenos Aires are at work?
Yes: from 3:00 PM to 6:00 PM in Onesti (9:00 AM to 12:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Buenos Aires compared with Onesti?
The new day starts in Buenos Aires later: until 6:00 AM in Onesti, it is still the previous day there. From 6:00 PM in Buenos Aires, Onesti is already on the next day.
Is the time difference between Onesti and Buenos Aires the same all year?
No. Only Onesti switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 5 hours behind Onesti.
