Koło to Sofia: time difference
Sofia is 1 h ahead of Koło. 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.
Koło 01:34 1:34 AM Sofia 02:34 2:34 AM You –:–
01:34 1:34 AM
Central European Summer Time · UTC+2
☀️ 07:19 · 🌙 17:43
02:34 2:34 AM
Eastern European Summer Time · UTC+3
☀️ 07:46 · 🌙 18:38
·
+1 h
Sofia is 1 h ahead of Koło.
When you, Koło 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
🇵🇱 Koło
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
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 | 🇵🇱 Koło | 🇧🇬 Sofia |
|---|---|---|
| Local time | 01:34 | 02:34 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central European Summer Time | Eastern European Summer Time |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Koło | — | +1 h |
| IANA zone | Europe/Warsaw | Europe/Sofia |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 07:19 | 07:46 |
| Sunset | 17:43 | 18:38 |
| Daylight | 10 h 23 min | 10 h 52 min |
| People on this clock | 21,035 | 1,286,383 |
Compare Koło with another city
More comparisons with Koło: the time zones next to it and the far side of the clock.
Big time differences
Koło and Sofia: common questions
What is the time difference between Koło and Sofia?
Sofia is 1 hour ahead: it uses UTC+3, while Koło is on UTC+2.
If it is 9:00 AM in Koło, what time is it in Sofia?
At 9:00 AM in Koło, clocks in Sofia show 10:00 AM.
If it is 6:00 PM in Koło, what time is it in Sofia?
At 6:00 PM in Koło, clocks in Sofia show 7:00 PM.
When is a good time to call Sofia from Koło?
Between 9:00 AM and 5:00 PM in Koło – that is 10:00 AM to 6:00 PM in Sofia – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Sofia?
From 11:00 PM in Koło it is already the next day in Sofia. The other way round, until 1:00 AM in Sofia it is still the previous day in Koło.
Does the time difference between Koło and Sofia change?
No. The clocks in Koło and in Sofia change on the same dates, so the difference stays 1 hour.
