Kaluga to Sofia: time difference
Sofia is 1 h behind Kaluga. 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.
Kaluga 00:29 12:29 AM Sofia 23:29 11:29 PM You –:–
00:29 12:29 AM
Moscow Standard Time · UTC+3
☀️ 07:45 · 🌙 16:54
23:29 11:29 PM
Eastern European Standard Time · UTC+2
☀️ 07:06 · 🌙 17:16
·
−1 h
Sofia is 1 h behind Kaluga.
When you, Kaluga 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
🇷🇺 Kaluga
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
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇷🇺 Kaluga | 🇧🇬 Sofia |
|---|---|---|
| Local time | 00:29 | 23:29 |
| Local date | Friday, November 6, 2026 | Thursday, November 5, 2026 |
| Time zone | Moscow Standard Time | Eastern European Standard Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Kaluga | — | −1 h |
| IANA zone | Europe/Moscow | Europe/Sofia |
| Daylight saving | Not observed | On standard time → UTC+3, Mar 28, 04:00 |
| Sunrise | 07:45 | 07:06 |
| Sunset | 16:54 | 17:16 |
| Daylight | 9 h 9 min | 10 h 10 min |
| People on this clock | 331,842 | 1,286,383 |
Compare Kaluga with another city
More comparisons with Kaluga: the time zones next to it and the far side of the clock.
Big time differences
Kaluga and Sofia: common questions
How many hours behind Kaluga is Sofia?
The clocks in Sofia are 1 hour behind those in Kaluga (UTC+2 and UTC+3).
What time is it in Sofia at the start of the working day in Kaluga?
The working day in Kaluga starts at 9:00 AM; in Sofia it is 8:00 AM at that moment.
If it is 6:00 PM in Kaluga, what time is it in Sofia?
At 6:00 PM in Kaluga, clocks in Sofia show 5:00 PM.
When do working hours in Kaluga and in Sofia overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Kaluga, which is 9:00 AM to 5:00 PM in Sofia.
When is it still the previous day in Sofia?
Until 1:00 AM in Kaluga it is still the previous day in Sofia. The other way round, from 11:00 PM in Sofia it is already the next day in Kaluga.
Does the time difference between Kaluga and Sofia change?
Yes. The clocks change only in Sofia. From March 28, 2027, Sofia and Kaluga will have the same time.
