Sofia to Kolomna: time difference

Kolomna is 1 h ahead of Sofia. Live clocks for both, the working hours they share, and how each one sits against your own time.

🇧🇬 Sofia, Bulgaria

23

3:58 AM · Friday, November 6, 2026

  • Eastern European Standard Time
  • UTC+2
  • Night

☀️ 07:07 · 🌙 17:15 · 10 h 8 min

🇷🇺 Kolomna, Russia

23

4:58 AM · Friday, November 6, 2026

  • Moscow Standard Time
  • UTC+3
  • Night

☀️ 07:39 · 🌙 16:40 · 9 h

+1 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Sofia 03:58 3:58 AM Kolomna 04:58 4:58 AM
Sofia 03:58 3:58 AM Kolomna 04:58 4:58 AM You –:–
🇧🇬 Sofia

03:58 3:58 AM

Eastern European Standard Time · UTC+2

☀️ 07:07 · 🌙 17:15

🇷🇺 Kolomna

04:58 4:58 AM

Moscow Standard Time · UTC+3

☀️ 07:39 · 🌙 16:40

⇄ Difference

+1 h

Kolomna is 1 h ahead of Sofia.

When you, Sofia and Kolomna 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
🇷🇺 Kolomna
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
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇧🇬 Sofia 🇷🇺 Kolomna
Local time 03:58 04:58
Local date Friday, November 6, 2026 Friday, November 6, 2026
Time zone Eastern European Standard Time Moscow Standard Time
UTC offset UTC+2 UTC+3
Offset from Sofia — +1 h
IANA zone Europe/Sofia Europe/Moscow
Daylight saving On standard time → UTC+3, Mar 28, 04:00 Not observed
Sunrise 07:07 07:39
Sunset 17:15 16:40
Daylight 10 h 8 min 9 h
People on this clock 1,286,383 138,693

Compare Sofia with another city

More comparisons with Sofia: the time zones next to it and the far side of the clock.

Sofia and Kolomna: common questions

How far ahead of Sofia is Kolomna?
Kolomna is 1 hour ahead of Sofia: UTC+3 against UTC+2.
What time is it in Kolomna at the start of the working day in Sofia?
The working day in Sofia starts at 9:00 AM; in Kolomna it is 10:00 AM at that moment.
What time is it in Kolomna at the end of the working day in Sofia?
The working day in Sofia ends at 6:00 PM; in Kolomna it is 7:00 PM at that moment.
Is there a time when both Sofia and Kolomna are at work?
Yes: from 9:00 AM to 5:00 PM in Sofia (10:00 AM to 6:00 PM in Kolomna), the working days (9:00 AM–6:00 PM) overlap.
From what time in Sofia is it tomorrow in Kolomna?
Once it is 11:00 PM in Sofia, the date in Kolomna has already changed. Until 1:00 AM in Kolomna, it is still the previous day in Sofia.
Does the time difference between Sofia and Kolomna change?
Yes. The clocks change only in Sofia. From March 28, 2027, Kolomna and Sofia will have the same time.
Show times on the 12-hour clock, temperatures in °F and distances in miles?