Sofia to Keflavik: time difference
Keflavik is 3 h behind Sofia. 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.
Sofia 03:59 3:59 AM Keflavik 00:59 12:59 AM You –:–
03:59 3:59 AM
Eastern European Summer Time · UTC+3
☀️ 07:45 · 🌙 18:40
00:59 12:59 AM
Greenwich Mean Time · UTC+0
☀️ 08:29 · 🌙 18:03
·
−3 h
Keflavik is 3 h behind Sofia.
When you, Sofia and Keflavik are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇬 Sofia
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
🇮🇸 Keflavik
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 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇬 Sofia | 🇮🇸 Keflavik |
|---|---|---|
| Local time | 03:59 | 00:59 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern European Summer Time | Greenwich Mean Time |
| UTC offset | UTC+3 | UTC+0 |
| Offset from Sofia | — | −3 h |
| IANA zone | Europe/Sofia | Atlantic/Reykjavik |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | Not observed |
| Sunrise | 07:45 | 08:29 |
| Sunset | 18:40 | 18:03 |
| Daylight | 10 h 55 min | 9 h 34 min |
| People on this clock | 1,286,383 | 15,000 |
Compare Sofia with another city
More comparisons with Sofia: the time zones next to it and the far side of the clock.
Big time differences
Sofia and Keflavik: common questions
What is the time difference between Sofia and Keflavik?
Keflavik is 3 hours behind: it uses UTC+0, while Sofia is on UTC+3.
What time is it in Keflavik at the start of the working day in Sofia?
The working day in Sofia starts at 9:00 AM; in Keflavik it is 6:00 AM at that moment.
What time is it in Keflavik when it is 6:00 PM in Sofia?
When it is 6:00 PM in Sofia, it is 3:00 PM in Keflavik.
When do working hours in Sofia and in Keflavik overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Sofia, which is 9:00 AM to 3:00 PM in Keflavik.
When is it still the previous day in Keflavik?
Until 3:00 AM in Sofia it is still the previous day in Keflavik. The other way round, from 9:00 PM in Keflavik it is already the next day in Sofia.
Does the time difference between Sofia and Keflavik change?
Yes. The clocks change only in Sofia. From October 25, 2026, Keflavik will be 2 hours behind Sofia.
