Keflavik to Sofia: time difference
Sofia is 3 h ahead of Keflavik. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Keflavik 00:16 12:16 AM Sofia 03:16 3:16 AM You –:–
00:16 12:16 AM
Greenwich Mean Time · UTC+0
☀️ 08:29 · 🌙 18:03
03:16 3:16 AM
Eastern European Summer Time · UTC+3
☀️ 07:45 · 🌙 18:40
·
+3 h
Sofia is 3 h ahead of Keflavik.
When you, Keflavik and Sofia 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
🇧🇬 Sofia
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 | 🇧🇬 Sofia |
|---|---|---|
| Local time | 00:16 | 03:16 |
| 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/Sofia |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 08:29 | 07:45 |
| Sunset | 18:03 | 18:40 |
| Daylight | 9 h 34 min | 10 h 55 min |
| People on this clock | 15,000 | 1,286,383 |
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 Sofia: common questions
What is the time difference between Keflavik and Sofia?
Sofia is 3 hours ahead: it uses UTC+3, while Keflavik is on UTC+0.
What time is it in Sofia at the start of the working day in Keflavik?
The working day in Keflavik starts at 9:00 AM; in Sofia it is 12:00 PM at that moment.
If it is 6:00 PM in Keflavik, what time is it in Sofia?
At 6:00 PM in Keflavik, clocks in Sofia show 9:00 PM.
When do working hours in Keflavik and in Sofia overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Keflavik, which is 12:00 PM to 6:00 PM in Sofia.
When is it already the next day in Sofia?
From 9:00 PM in Keflavik it is already the next day in Sofia. The other way round, until 3:00 AM in Sofia it is still the previous day in Keflavik.
Does the time difference between Keflavik and Sofia change?
Yes. The clocks change only in Sofia. From October 25, 2026, Sofia will be 2 hours ahead of Keflavik.
