Tulcea to Buenos Aires: time difference
Buenos Aires is 6 h behind Tulcea. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
45
- Argentina Standard Time
- UTC-3
- Twilight
☀️ 06:06 · 🌙 19:12 · 13 h 6 min
−6 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tulcea 11:29 11:29 AM Buenos Aires 05:29 5:29 AM You –:–
11:29 11:29 AM
Eastern European Summer Time · UTC+3
☀️ 07:27 · 🌙 18:13
05:29 5:29 AM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
−6 h
Buenos Aires is 6 h behind Tulcea.
When you, Tulcea 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
🇷🇴 Tulcea
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 | 🇷🇴 Tulcea | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 11:29 | 05:29 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern European Summer Time | Argentina Standard Time |
| UTC offset | UTC+3 | UTC-3 |
| Offset from Tulcea | — | −6 h |
| IANA zone | Europe/Bucharest | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | Not observed |
| Sunrise | 07:27 | 06:06 |
| Sunset | 18:13 | 19:12 |
| Daylight | 10 h 46 min | 13 h 6 min |
| People on this clock | 73,707 | 2,891,082 |
Compare Tulcea with another city
More comparisons with Tulcea: the time zones next to it and the far side of the clock.
Big time differences
Tulcea and Buenos Aires: common questions
How many hours behind Tulcea is Buenos Aires?
The clocks in Buenos Aires are 6 hours behind those in Tulcea (UTC−3 and UTC+3).
What time is it in Buenos Aires at the start of the working day in Tulcea?
The working day in Tulcea starts at 9:00 AM; in Buenos Aires it is 3:00 AM at that moment.
What time is it in Buenos Aires at the end of the working day in Tulcea?
The working day in Tulcea ends at 6:00 PM; in Buenos Aires it is 12:00 PM at that moment.
When do working hours in Tulcea and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 3:00 PM to 6:00 PM in Tulcea, which is 9:00 AM to 12:00 PM in Buenos Aires.
When is it still the previous day in Buenos Aires?
Until 6:00 AM in Tulcea it is still the previous day in Buenos Aires. The other way round, from 6:00 PM in Buenos Aires it is already the next day in Tulcea.
Is the time difference between Tulcea and Buenos Aires the same all year?
No. Only Tulcea switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 5 hours behind Tulcea.
