Time difference between Boston and Kolkata is +9:30 hours. Kolkata is ahead of Boston by 9h 30min .
Local time in Boston is 2025-08-25 10:46.
Time zone of Boston is America/New_York.
Boston is located in United States.
Boston time in UTC is: UTC-4
Local time in Kolkata is 2025-08-25 20:16.
Time zone of Kolkata is Asia/Kolkata.
Kolkata is located in India.
Kolkata time in UTC is: UTC+5
Time difference between Boston and Kolkata is 570 minutes.
| Time zone | America/New_York |
|---|---|
| Time (H:m:s) | 10:46:39 |
| Time in 12-hour format | 10:46:39 AM |
| Date (Y-m-d) | 2025-08-25 |
| UTC Offset | -04:00 |
| Abbreviation | EDT |
| DST Active | Yes |
| Timestamp Offset | -14400 seconds |
| Time zone | Asia/Kolkata |
|---|---|
| Time (H:m:s) | 20:16:39 |
| Time in 12-hour format | 08:16:39 PM |
| Date (Y-m-d) | 2025-08-25 |
| UTC Offset | +05:30 |
| Abbreviation | IST |
| DST Active | No |
| Timestamp Offset | 19800 seconds |
Are Boston and Kolkata in the same time zone?
No, they are in different time zone.America/New_York and Asia/Kolkata
| Boston | Kolkata |
|---|---|
| 00:00 | 09:30 |
| 01:00 | 10:30 |
| 02:00 | 11:30 |
| 03:00 | 12:30 |
| 04:00 | 13:30 |
| 05:00 | 14:30 |
| 06:00 | 15:30 |
| 07:00 | 16:30 |
| 08:00 | 17:30 |
| 09:00 | 18:30 |
| 10:00 | 19:30 |
| 11:00 | 20:30 |
| 12:00 | 21:30 |
| 13:00 | 22:30 |
| 14:00 | 23:30 |
| 15:00 | 00:30 |
| 16:00 | 01:30 |
| 17:00 | 02:30 |
| 18:00 | 03:30 |
| 19:00 | 04:30 |
| 20:00 | 05:30 |
| 21:00 | 06:30 |
| 22:00 | 07:30 |
| 23:00 | 08:30 |
| Boston | Kolkata |
|---|---|
| 12:00 AM | 09:30 AM |
| 01:00 AM | 10:30 AM |
| 02:00 AM | 11:30 AM |
| 03:00 AM | 12:30 PM |
| 04:00 AM | 01:30 PM |
| 05:00 AM | 02:30 PM |
| 06:00 AM | 03:30 PM |
| 07:00 AM | 04:30 PM |
| 08:00 AM | 05:30 PM |
| 09:00 AM | 06:30 PM |
| 10:00 AM | 07:30 PM |
| 11:00 AM | 08:30 PM |
| 12:00 PM | 09:30 PM |
| 01:00 PM | 10:30 PM |
| 02:00 PM | 11:30 PM |
| 03:00 PM | 12:30 AM |
| 04:00 PM | 01:30 AM |
| 05:00 PM | 02:30 AM |
| 06:00 PM | 03:30 AM |
| 07:00 PM | 04:30 AM |
| 08:00 PM | 05:30 AM |
| 09:00 PM | 06:30 AM |
| 10:00 PM | 07:30 AM |
| 11:00 PM | 08:30 AM |