Time difference: Kolkata vs Tokyo
Tokyo is 3.5 hours ahead of Kolkata.
Kolkata is in the IST time zone (UTC+05:30) while Tokyo uses JST (UTC+09:00).
Tokyo is 3.5 hours ahead of Kolkata.
Kolkata is in the IST time zone (UTC+05:30) while Tokyo uses JST (UTC+09:00).
Hour-by-hour conversion
When it's the given hour in Kolkata, here are the local times elsewhere.
| Kolkata | Tokyo |
|---|---|
| 00:00 | 03:30 |
| 01:00 | 04:30 |
| 02:00 | 05:30 |
| 03:00 | 06:30 |
| 04:00 | 07:30 |
| 05:00 | 08:30 |
| 06:00 | 09:30 |
| 07:00 | 10:30 |
| 08:00 | 11:30 |
| 09:00 | 12:30 |
| 10:00 | 13:30 |
| 11:00 | 14:30 |
| 12:00 | 15:30 |
| 13:00 | 16:30 |
| 14:00 | 17:30 |
| 15:00 | 18:30 |
| 16:00 | 19:30 |
| 17:00 | 20:30 |
| 18:00 | 21:30 |
| 19:00 | 22:30 |
| 20:00 | 23:30 |
| 21:00 | 00:30 +1 |
| 22:00 | 01:30 +1 |
| 23:00 | 02:30 +1 |
Frequently Asked Questions
Tokyo is 3.5 hours ahead of Kolkata.
A good window is 09:00–13:30 in Kolkata, which is 12:30–17:00 in Tokyo. Both sides are inside 9:00–17:00 working hours.
Tokyo is 3.5 hours ahead of Kolkata.
Kolkata and Tokyo share the same daylight saving schedule (or neither observes DST). The offset between them stays constant year-round.
Kolkata uses Asia/Kolkata and Tokyo uses Asia/Tokyo. These are the identifiers used by operating systems and APIs to compute local time.
A good reverse window is 12:30–17:00 in Tokyo, which is 09:00–13:30 in Kolkata. Both sides are inside 9:00–17:00 working hours.