🇳🇴 Kolbotn, Norway
49
- Central European Summer Time
- UTC+2
- Golden hour
☀️ 08:00 · 🌙 18:05 · 10 h 5 min
Kolbotn to Sofia: time difference
Sofia is 1 h ahead of Kolbotn. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇧🇬 Sofia, Bulgaria
49
- Eastern European Summer Time
- UTC+3
- Golden hour
☀️ 07:42 · 🌙 18:43 · 11 h 1 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Kolbotn 16:37 4:37 PM Sofia 17:37 5:37 PM You –:–
16:37 4:37 PM
Central European Summer Time · UTC+2
☀️ 08:00 · 🌙 18:05
17:37 5:37 PM
Eastern European Summer Time · UTC+3
☀️ 07:42 · 🌙 18:43
·
+1 h
Sofia is 1 h ahead of Kolbotn.
When you, Kolbotn 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
🇳🇴 Kolbotn
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 | 🇳🇴 Kolbotn | 🇧🇬 Sofia |
|---|---|---|
| Local time | 16:37 | 17:37 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Central European Summer Time | Eastern European Summer Time |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Kolbotn | — | +1 h |
| IANA zone | Europe/Oslo | Europe/Sofia |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 08:00 | 07:42 |
| Sunset | 18:05 | 18:43 |
| Daylight | 10 h 5 min | 11 h 1 min |
| People on this clock | 4,500 | 1,286,383 |
Compare Kolbotn with another city
More comparisons with Kolbotn: the time zones next to it and the far side of the clock.
Big time differences
Kolbotn and Sofia: common questions
What is the time difference between Kolbotn and Sofia?
Sofia is 1 hour ahead: it uses UTC+3, while Kolbotn is on UTC+2.
If it is 9:00 AM in Kolbotn, what time is it in Sofia?
At 9:00 AM in Kolbotn, clocks in Sofia show 10:00 AM.
What time is it in Sofia when it is 6:00 PM in Kolbotn?
When it is 6:00 PM in Kolbotn, it is 7:00 PM in Sofia.
When do working hours in Kolbotn and in Sofia overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Kolbotn, which is 10:00 AM to 6:00 PM in Sofia.
When does the date change in Sofia compared with Kolbotn?
The new day starts in Sofia earlier: at 11:00 PM in Kolbotn it is already midnight there. Until 1:00 AM in Sofia, Kolbotn is still on the previous day.
Does the time difference between Kolbotn and Sofia change?
No. The clocks in Kolbotn and in Sofia change on the same dates, so the difference stays 1 hour.
