Sofia to Kollam: time difference
Kollam is 2 h 30 min ahead of 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 19:21 7:21 PM Kollam 21:51 9:51 PM You –:–
19:21 7:21 PM
Eastern European Summer Time · UTC+3
☀️ 07:42 · 🌙 18:43
21:51 9:51 PM
India Standard Time · UTC+5:30
☀️ 06:12 · 🌙 18:07
·
+2 h 30 min
Kollam is 2 h 30 min ahead of Sofia.
When you, Sofia and Kollam 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
🇮🇳 Kollam
2:30 2:30 AM 3:30 3:30 AM 4:30 4:30 AM 5:30 5:30 AM 6:30 6:30 AM 7:30 7:30 AM 8:30 8:30 AM 9:30 9:30 AM 10:30 10:30 AM 11:30 11:30 AM 12:30 12:30 PM 13:30 1:30 PM 14:30 2:30 PM 15:30 3:30 PM 16:30 4:30 PM 17:30 5:30 PM 18:30 6:30 PM 19:30 7:30 PM 20:30 8:30 PM 21:30 9:30 PM 22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 1:30 1:30 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇬 Sofia | 🇮🇳 Kollam |
|---|---|---|
| Local time | 19:21 | 21:51 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern European Summer Time | India Standard Time |
| UTC offset | UTC+3 | UTC+5:30 |
| Offset from Sofia | — | +2 h 30 min |
| IANA zone | Europe/Sofia | Asia/Kolkata |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | Not observed |
| Sunrise | 07:42 | 06:12 |
| Sunset | 18:43 | 18:07 |
| Daylight | 11 h 1 min | 11 h 55 min |
| People on this clock | 1,286,383 | 367,107 |
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 Kollam: common questions
What is the time difference between Sofia and Kollam?
Kollam is 2 hours and 30 minutes ahead: it uses UTC+5:30, while Sofia is on UTC+3.
What time is it in Kollam when it is 9:00 AM in Sofia?
When it is 9:00 AM in Sofia, it is 11:30 AM in Kollam.
If it is 6:00 PM in Sofia, what time is it in Kollam?
At 6:00 PM in Sofia, clocks in Kollam show 8:30 PM.
When do working hours in Sofia and in Kollam overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:30 PM in Sofia, which is 11:30 AM to 6:00 PM in Kollam.
From what time in Sofia is it tomorrow in Kollam?
Once it is 9:30 PM in Sofia, the date in Kollam has already changed. Until 2:30 AM in Kollam, it is still the previous day in Sofia.
Does the time gap between Sofia and Kollam change during the year?
Yes – daylight saving time is used in Sofia but not in Kollam. From October 25, 2026, Kollam will be 3 hours and 30 minutes ahead of Sofia.
