Athens to Opatija: time difference
Opatija is 1 h behind Athens. Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Athens 21:59 9:59 PM Opatija 20:59 8:59 PM You –:–
21:59 9:59 PM
Eastern European Summer Time · UTC+3
☀️ 07:36 · 🌙 18:46
20:59 8:59 PM
Central European Summer Time · UTC+2
☀️ 07:22 · 🌙 18:16
·
−1 h
Opatija is 1 h behind Athens.
When you, Athens and Opatija are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇷 Athens
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
🇭🇷 Opatija
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 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇷 Athens | 🇭🇷 Opatija |
|---|---|---|
| Local time | 21:59 | 20:59 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern European Summer Time | Central European Summer Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Athens | — | −1 h |
| IANA zone | Europe/Athens | Europe/Zagreb |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:36 | 07:22 |
| Sunset | 18:46 | 18:16 |
| Daylight | 11 h 11 min | 10 h 54 min |
| People on this clock | 3,090,508 | 10,619 |
Compare Athens with another city
More comparisons with Athens: the time zones next to it and the far side of the clock.
Big time differences
Athens and Opatija: common questions
How many hours behind Athens is Opatija?
The clocks in Opatija are 1 hour behind those in Athens (UTC+2 and UTC+3).
If it is 9:00 AM in Athens, what time is it in Opatija?
At 9:00 AM in Athens, clocks in Opatija show 8:00 AM.
If it is 6:00 PM in Athens, what time is it in Opatija?
At 6:00 PM in Athens, clocks in Opatija show 5:00 PM.
Is there a time when both Athens and Opatija are at work?
Yes: from 10:00 AM to 6:00 PM in Athens (9:00 AM to 5:00 PM in Opatija), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Opatija?
Until 1:00 AM in Athens it is still the previous day in Opatija. The other way round, from 11:00 PM in Opatija it is already the next day in Athens.
Is the time difference between Athens and Opatija the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 1 hour.
