Opatija to Buenos Aires: time difference
Buenos Aires is 5 h behind Opatija. 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.
Opatija 15:39 3:39 PM Buenos Aires 10:39 10:39 AM You –:–
15:39 3:39 PM
Central European Summer Time · UTC+2
☀️ 07:22 · 🌙 18:16
10:39 10:39 AM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−5 h
Buenos Aires is 5 h behind Opatija.
When you, Opatija 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
🇭🇷 Opatija
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
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 18 6 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇭🇷 Opatija | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 15:39 | 10:39 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Central European Summer Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Opatija | — | −5 h |
| IANA zone | Europe/Zagreb | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:22 | 06:10 |
| Sunset | 18:16 | 19:10 |
| Daylight | 10 h 54 min | 13 h |
| People on this clock | 10,619 | 2,891,082 |
Compare Opatija with another city
More comparisons with Opatija: the time zones next to it and the far side of the clock.
Big time differences
Opatija and Buenos Aires: common questions
How far behind Opatija is Buenos Aires?
Buenos Aires is 5 hours behind Opatija: UTC−3 against UTC+2.
What time is it in Buenos Aires at the start of the working day in Opatija?
The working day in Opatija starts at 9:00 AM; in Buenos Aires it is 4:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Opatija?
When it is 6:00 PM in Opatija, it is 1:00 PM in Buenos Aires.
When do working hours in Opatija and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 2:00 PM to 6:00 PM in Opatija, which is 9:00 AM to 1:00 PM in Buenos Aires.
Until what time in Opatija is it still yesterday in Buenos Aires?
Before 5:00 AM in Opatija, the date in Buenos Aires has not changed yet. From 7:00 PM in Buenos Aires, it is already the next day in Opatija.
Is the time difference between Opatija and Buenos Aires the same all year?
No. Only Opatija switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 4 hours behind Opatija.
