Koper to Athens: time difference
Athens is 1 h ahead of Koper. 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.
Koper 21:49 9:49 PM Athens 22:49 10:49 PM You –:–
21:49 9:49 PM
Central European Summer Time · UTC+2
☀️ 07:27 · 🌙 18:15
22:49 10:49 PM
Eastern European Summer Time · UTC+3
☀️ 07:38 · 🌙 18:44
·
+1 h
Athens is 1 h ahead of Koper.
When you, Koper and Athens are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇸🇮 Koper
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
🇬🇷 Athens
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇸🇮 Koper | 🇬🇷 Athens |
|---|---|---|
| Local time | 21:49 | 22:49 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central European Summer Time | Eastern European Summer Time |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Koper | — | +1 h |
| IANA zone | Europe/Ljubljana | Europe/Athens |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 07:27 | 07:38 |
| Sunset | 18:15 | 18:44 |
| Daylight | 10 h 48 min | 11 h 6 min |
| People on this clock | 24,900 | 3,090,508 |
Compare Koper with another city
More comparisons with Koper: the time zones next to it and the far side of the clock.
Big time differences
Koper and Athens: common questions
How many hours ahead of Koper is Athens?
The clocks in Athens are 1 hour ahead of those in Koper (UTC+3 and UTC+2).
What time is it in Athens when it is 9:00 AM in Koper?
When it is 9:00 AM in Koper, it is 10:00 AM in Athens.
What time is it in Athens when it is 6:00 PM in Koper?
When it is 6:00 PM in Koper, it is 7:00 PM in Athens.
When do working hours in Koper and in Athens overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Koper, which is 10:00 AM to 6:00 PM in Athens.
From what time in Koper is it tomorrow in Athens?
Once it is 11:00 PM in Koper, the date in Athens has already changed. Until 1:00 AM in Athens, it is still the previous day in Koper.
Does the time difference between Koper and Athens change?
No. The clocks in Koper and in Athens change on the same dates, so the difference stays 1 hour.
