Ankara to Kolkata (Calcutta): time difference
Kolkata (Calcutta) is 2 h 30 min ahead of Ankara. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Ankara 17:59 5:59 PM Kolkata (Calcutta) 20:29 8:29 PM You –:–
17:59 5:59 PM
Türkiye Standard Time · UTC+3
☀️ 07:24 · 🌙 17:42
20:29 8:29 PM
India Standard Time · UTC+5:30
☀️ 05:44 · 🌙 16:58
·
+2 h 30 min
Kolkata (Calcutta) is 2 h 30 min ahead of Ankara.
When you, Ankara and Kolkata (Calcutta) are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇷 Ankara
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
🇮🇳 Kolkata (Calcutta)
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 | 🇹🇷 Ankara | 🇮🇳 Kolkata (Calcutta) |
|---|---|---|
| Local time | 17:59 | 20:29 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Türkiye Standard Time | India Standard Time |
| UTC offset | UTC+3 | UTC+5:30 |
| Offset from Ankara | — | +2 h 30 min |
| IANA zone | Europe/Istanbul | Asia/Kolkata |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:24 | 05:44 |
| Sunset | 17:42 | 16:58 |
| Daylight | 10 h 19 min | 11 h 13 min |
| People on this clock | 5,864,049 | 4,486,679 |
Compare Ankara with another city
More comparisons with Ankara: the time zones next to it and the far side of the clock.
Big time differences
Ankara and Kolkata (Calcutta): common questions
What is the time difference between Ankara and Kolkata (Calcutta)?
Kolkata is 2 hours and 30 minutes ahead: it uses UTC+5:30, while Ankara is on UTC+3.
What time is it in Kolkata (Calcutta) when it is 9:00 AM in Ankara?
When it is 9:00 AM in Ankara, it is 11:30 AM in Kolkata.
If it is 6:00 PM in Ankara, what time is it in Kolkata (Calcutta)?
At 6:00 PM in Ankara, clocks in Kolkata show 8:30 PM.
When is a good time to call Kolkata (Calcutta) from Ankara?
Between 9:00 AM and 3:30 PM in Ankara – that is 11:30 AM to 6:00 PM in Kolkata – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Kolkata (Calcutta) compared with Ankara?
The new day starts in Kolkata earlier: at 9:30 PM in Ankara it is already midnight there. Until 2:30 AM in Kolkata, Ankara is still on the previous day.
Does the time gap between Ankara and Kolkata (Calcutta) change during the year?
No, the clocks change neither in Ankara nor in Kolkata, so the gap is 2 hours and 30 minutes all year round.
