Kolkata to Tokyo Time Difference
🇮🇳 Kolkata is currently 3.5 hours ahead of 🇯🇵 Tokyo.
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Atin 🇮🇳 Kolkata→it will be—in 🇯🇵 Tokyo
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Difference
+3.5h
Business overlap
5h
Distance
5,130 km
Approx. flight
6h
Hour-by-Hour: Kolkata to Tokyo
| 🇮🇳 Kolkata | 🇯🇵 Tokyo | Note |
|---|---|---|
| 12:00 AM | 3:30 AM | |
| 1:00 AM | 4:30 AM | |
| 2:00 AM | 5:30 AM | |
| 3:00 AM | 6:30 AM | |
| 4:00 AM | 7:30 AM | |
| 5:00 AM | 8:30 AM | |
| 6:00 AM | 9:30 AM | |
| 7:00 AM | 10:30 AM | |
| 8:00 AM | 11:30 AM | |
| 9:00 AM | 12:30 PM | |
| 10:00 AM | 1:30 PM | |
| 11:00 AM | 2:30 PM | |
| 12:00 PM | 3:30 PM | |
| 1:00 PM | 4:30 PM | |
| 2:00 PM | 5:30 PM | |
| 3:00 PM | 6:30 PM | |
| 4:00 PM | 7:30 PM | |
| 5:00 PM | 8:30 PM | |
| 6:00 PM | 9:30 PM | |
| 7:00 PM | 10:30 PM | |
| 8:00 PM | 11:30 PM | |
| 9:00 PM | 12:30 AM(next day) | Next day |
| 10:00 PM | 1:30 AM(next day) | Next day |
| 11:00 PM | 2:30 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Kolkata nor Tokyo observes Daylight Saving Time. The time difference is always 3.5 hours ahead.
Best Meeting Times
There are 5 overlapping business hours between Kolkata and Tokyo (9 AM – 6 PM in each city).
🇮🇳 Kolkata
9:00 AM – 2:00 PM
🇯🇵 Tokyo
12:30 PM – 5:30 PM
Frequently Asked Questions
What is the time difference between Kolkata and Tokyo?
The time difference between Kolkata and Tokyo is currently 3.5 hours ahead. Kolkata uses GMT+5:30 (UTC+5:30), while Tokyo uses GMT+9 (UTC+9).
When it's noon in Kolkata, what time is it in Tokyo?
When it's 12:00 PM (noon) in Kolkata, it is 3:30 PM in Tokyo. Use our calculator above to convert any other time.
Does the time difference between Kolkata and Tokyo change?
No. The time difference between Kolkata and Tokyo is always 3.5 hours ahead — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Kolkata and Tokyo?
The best time to call is between 9:00 AM and 2:00 PM in Kolkata (which is 12:30 PM – 5:30 PM in Tokyo). This 5-hour window falls within business hours in both cities.
Is Kolkata ahead or behind Tokyo?
Kolkata is currently 3.5 hours behind Tokyo.
What time zone is Kolkata in?
Kolkata is in the Asia/Kolkata time zone, currently using GMT+5:30 (UTC+5:30). Kolkata does not observe Daylight Saving Time.
What time is midnight in Kolkata in Tokyo?
When it is midnight (12:00 AM) in Kolkata, it is 3:30 AM in Tokyo.