Keflavik to Athens: time difference
Athens is 3 h ahead of Keflavik. 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.
Keflavik 00:17 12:17 AM Athens 03:17 3:17 AM You –:–
00:17 12:17 AM
Greenwich Mean Time · UTC+0
☀️ 08:29 · 🌙 18:03
03:17 3:17 AM
Eastern European Summer Time · UTC+3
☀️ 07:38 · 🌙 18:44
·
+3 h
Athens is 3 h ahead of Keflavik.
When you, Keflavik 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
🇮🇸 Keflavik
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
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇸 Keflavik | 🇬🇷 Athens |
|---|---|---|
| Local time | 00:17 | 03:17 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Greenwich Mean Time | Eastern European Summer Time |
| UTC offset | UTC+0 | UTC+3 |
| Offset from Keflavik | — | +3 h |
| IANA zone | Atlantic/Reykjavik | Europe/Athens |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 08:29 | 07:38 |
| Sunset | 18:03 | 18:44 |
| Daylight | 9 h 34 min | 11 h 6 min |
| People on this clock | 15,000 | 3,090,508 |
Compare Keflavik with another city
More comparisons with Keflavik: the time zones next to it and the far side of the clock.
Big time differences
Keflavik and Athens: common questions
How many hours ahead of Keflavik is Athens?
The clocks in Athens are 3 hours ahead of those in Keflavik (UTC+3 and UTC+0).
If it is 9:00 AM in Keflavik, what time is it in Athens?
At 9:00 AM in Keflavik, clocks in Athens show 12:00 PM.
What time is it in Athens at the end of the working day in Keflavik?
The working day in Keflavik ends at 6:00 PM; in Athens it is 9:00 PM at that moment.
Is there a time when both Keflavik and Athens are at work?
Yes: from 9:00 AM to 3:00 PM in Keflavik (12:00 PM to 6:00 PM in Athens), the working days (9:00 AM–6:00 PM) overlap.
From what time in Keflavik is it tomorrow in Athens?
Once it is 9:00 PM in Keflavik, the date in Athens has already changed. Until 3:00 AM in Athens, it is still the previous day in Keflavik.
Does the time gap between Keflavik and Athens change during the year?
Yes – daylight saving time is used in Athens but not in Keflavik. From October 25, 2026, Athens will be 2 hours ahead of Keflavik.
