Kelachay to Sofia: time difference
Sofia is 1 h 30 min behind Kelachay. Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Kelachay 00:59 12:59 AM Sofia 23:29 11:29 PM You –:–
00:59 12:59 AM
Iran Standard Time · UTC+3:30
☀️ 06:38 · 🌙 17:08
23:29 11:29 PM
Eastern European Standard Time · UTC+2
☀️ 07:06 · 🌙 17:16
·
−1 h 30 min
Sofia is 1 h 30 min behind Kelachay.
When you, Kelachay 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
🇮🇷 Kelachay
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
22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 1:30 1:30 AM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇷 Kelachay | 🇧🇬 Sofia |
|---|---|---|
| Local time | 00:59 | 23:29 |
| Local date | Friday, November 6, 2026 | Thursday, November 5, 2026 |
| Time zone | Iran Standard Time | Eastern European Standard Time |
| UTC offset | UTC+3:30 | UTC+2 |
| Offset from Kelachay | — | −1 h 30 min |
| IANA zone | Asia/Tehran | Europe/Sofia |
| Daylight saving | Not observed | On standard time → UTC+3, Mar 28, 04:00 |
| Sunrise | 06:38 | 07:06 |
| Sunset | 17:08 | 17:16 |
| Daylight | 10 h 30 min | 10 h 10 min |
| People on this clock | 12,379 | 1,286,383 |
Compare Kelachay with another city
More comparisons with Kelachay: the time zones next to it and the far side of the clock.
Big time differences
Kelachay and Sofia: common questions
How many hours behind Kelachay is Sofia?
The clocks in Sofia are 1 hour and 30 minutes behind those in Kelachay (UTC+2 and UTC+3:30).
What time is it in Sofia when it is 9:00 AM in Kelachay?
When it is 9:00 AM in Kelachay, it is 7:30 AM in Sofia.
What time is it in Sofia at the end of the working day in Kelachay?
The working day in Kelachay ends at 6:00 PM; in Sofia it is 4:30 PM at that moment.
When is a good time to call Sofia from Kelachay?
Between 10:30 AM and 6:00 PM in Kelachay – that is 9:00 AM to 4:30 PM in Sofia – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Sofia compared with Kelachay?
The new day starts in Sofia later: until 1:30 AM in Kelachay, it is still the previous day there. From 10:30 PM in Sofia, Kelachay is already on the next day.
Is the time difference between Kelachay and Sofia the same all year?
No. Only Sofia switches to summer time, so the gap changes twice a year. From March 28, 2027, Sofia will be 30 minutes behind Kelachay.
