Time difference between Kolkata and Tehran is -2:00 hours. Kolkata is ahead of Tehran by 2h .
Local time in Kolkata is 2025-11-05 14:38.
Time zone of Kolkata is Asia/Kolkata.
Kolkata is located in India.
Kolkata time in UTC is: UTC+5
Local time in Tehran is 2025-11-05 12:38.
Time zone of Tehran is Asia/Tehran.
Tehran is located in Iran.
Tehran time in UTC is: UTC+3
Time difference between Kolkata and Tehran is -120 minutes.
| Time zone | Asia/Kolkata |
|---|---|
| Time (H:m:s) | 14:38:00 |
| Time in 12-hour format | 02:38:00 PM |
| Date (Y-m-d) | 2025-11-05 |
| UTC Offset | +05:30 |
| Abbreviation | IST |
| DST Active | No |
| Timestamp Offset | 19800 seconds |
| Time zone | Asia/Tehran |
|---|---|
| Time (H:m:s) | 12:38:00 |
| Time in 12-hour format | 12:38:00 PM |
| Date (Y-m-d) | 2025-11-05 |
| UTC Offset | +03:30 |
| Abbreviation | +0330 |
| DST Active | No |
| Timestamp Offset | 12600 seconds |
Are Kolkata and Tehran in the same time zone?
No, they are in different time zone.Asia/Kolkata and Asia/Tehran
| Kolkata | Tehran |
|---|---|
| 00:00 | 22:00 |
| 01:00 | 23:00 |
| 02:00 | 00:00 |
| 03:00 | 01:00 |
| 04:00 | 02:00 |
| 05:00 | 03:00 |
| 06:00 | 04:00 |
| 07:00 | 05:00 |
| 08:00 | 06:00 |
| 09:00 | 07:00 |
| 10:00 | 08:00 |
| 11:00 | 09:00 |
| 12:00 | 10:00 |
| 13:00 | 11:00 |
| 14:00 | 12:00 |
| 15:00 | 13:00 |
| 16:00 | 14:00 |
| 17:00 | 15:00 |
| 18:00 | 16:00 |
| 19:00 | 17:00 |
| 20:00 | 18:00 |
| 21:00 | 19:00 |
| 22:00 | 20:00 |
| 23:00 | 21:00 |
| Kolkata | Tehran |
|---|---|
| 12:00 AM | 10:00 PM |
| 01:00 AM | 11:00 PM |
| 02:00 AM | 12:00 AM |
| 03:00 AM | 01:00 AM |
| 04:00 AM | 02:00 AM |
| 05:00 AM | 03:00 AM |
| 06:00 AM | 04:00 AM |
| 07:00 AM | 05:00 AM |
| 08:00 AM | 06:00 AM |
| 09:00 AM | 07:00 AM |
| 10:00 AM | 08:00 AM |
| 11:00 AM | 09:00 AM |
| 12:00 PM | 10:00 AM |
| 01:00 PM | 11:00 AM |
| 02:00 PM | 12:00 PM |
| 03:00 PM | 01:00 PM |
| 04:00 PM | 02:00 PM |
| 05:00 PM | 03:00 PM |
| 06:00 PM | 04:00 PM |
| 07:00 PM | 05:00 PM |
| 08:00 PM | 06:00 PM |
| 09:00 PM | 07:00 PM |
| 10:00 PM | 08:00 PM |
| 11:00 PM | 09:00 PM |