Istanbul to Chittagong: time difference
Chittagong is 3 h ahead of Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 16:46 4:46 PM Chittagong 19:46 7:46 PM You –:–
16:46 4:46 PM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
19:46 7:46 PM
Bangladesh Standard Time · UTC+6
☀️ 05:48 · 🌙 17:33
·
+3 h
Chittagong is 3 h ahead of Istanbul.
When you, Istanbul and Chittagong are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇷 Istanbul
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
🇧🇩 Chittagong
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇧🇩 Chittagong |
|---|---|---|
| Local time | 16:46 | 19:46 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | GMT+03:00 | Bangladesh Standard Time |
| UTC offset | UTC+3 | UTC+6 |
| Offset from Istanbul | — | +3 h |
| IANA zone | Europe/Istanbul | Asia/Dhaka |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:10 | 05:48 |
| Sunset | 18:33 | 17:33 |
| Daylight | 11 h 23 min | 11 h 46 min |
| People on this clock | 15,701,602 | 2,592,439 |
Compare Istanbul with another city
More comparisons with Istanbul: the time zones next to it and the far side of the clock.
Big time differences
Istanbul and Chittagong: common questions
What is the time difference between Istanbul and Chittagong?
Chittagong is 3 hours ahead: it uses UTC+6, while Istanbul is on UTC+3.
What time is it in Chittagong when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 12:00 PM in Chittagong.
If it is 6:00 PM in Istanbul, what time is it in Chittagong?
At 6:00 PM in Istanbul, clocks in Chittagong show 9:00 PM.
When do working hours in Istanbul and in Chittagong overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Istanbul, which is 12:00 PM to 6:00 PM in Chittagong.
When is it already the next day in Chittagong?
From 9:00 PM in Istanbul it is already the next day in Chittagong. The other way round, until 3:00 AM in Chittagong it is still the previous day in Istanbul.
Is the time difference between Istanbul and Chittagong the same all year?
Yes. Neither Istanbul nor Chittagong switches to summer time, so the gap is always 3 hours.
