Osaka to Kolkata Time Difference
🇯🇵 Osaka is currently 3.5 hours behind of 🇮🇳 Kolkata.
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Atin 🇯🇵 Osaka→it will be—in 🇮🇳 Kolkata
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Difference
-3.5h
Business overlap
6h
Distance
4,748 km
Approx. flight
5.6h
Hour-by-Hour: Osaka to Kolkata
| 🇯🇵 Osaka | 🇮🇳 Kolkata | Note |
|---|---|---|
| 12:00 AM | 8:30 PM(prev day) | Previous day |
| 1:00 AM | 9:30 PM(prev day) | Previous day |
| 2:00 AM | 10:30 PM(prev day) | Previous day |
| 3:00 AM | 11:30 PM(prev day) | Previous day |
| 4:00 AM | 12:30 AM | |
| 5:00 AM | 1:30 AM | |
| 6:00 AM | 2:30 AM | |
| 7:00 AM | 3:30 AM | |
| 8:00 AM | 4:30 AM | |
| 9:00 AM | 5:30 AM | |
| 10:00 AM | 6:30 AM | |
| 11:00 AM | 7:30 AM | |
| 12:00 PM | 8:30 AM | |
| 1:00 PM | 9:30 AM | |
| 2:00 PM | 10:30 AM | |
| 3:00 PM | 11:30 AM | |
| 4:00 PM | 12:30 PM | |
| 5:00 PM | 1:30 PM | |
| 6:00 PM | 2:30 PM | |
| 7:00 PM | 3:30 PM | |
| 8:00 PM | 4:30 PM | |
| 9:00 PM | 5:30 PM | |
| 10:00 PM | 6:30 PM | |
| 11:00 PM | 7:30 PM |
Daylight Saving Time (DST)
Neither Osaka nor Kolkata observes Daylight Saving Time. The time difference is always 3.5 hours behind.
Best Meeting Times
There are 6 overlapping business hours between Osaka and Kolkata (9 AM – 6 PM in each city).
🇯🇵 Osaka
12:00 PM – 6:00 PM
🇮🇳 Kolkata
8:30 AM – 2:30 PM
Frequently Asked Questions
What is the time difference between Osaka and Kolkata?
The time difference between Osaka and Kolkata is currently 3.5 hours behind. Osaka uses GMT+9 (UTC+9), while Kolkata uses GMT+5:30 (UTC+5:30).
When it's noon in Osaka, what time is it in Kolkata?
When it's 12:00 PM (noon) in Osaka, it is 8:30 AM in Kolkata. Use our calculator above to convert any other time.
Does the time difference between Osaka and Kolkata change?
No. The time difference between Osaka and Kolkata is always 3.5 hours behind — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Osaka and Kolkata?
The best time to call is between 12:00 PM and 6:00 PM in Osaka (which is 8:30 AM – 2:30 PM in Kolkata). This 6-hour window falls within business hours in both cities.
Is Osaka ahead or behind Kolkata?
Osaka is currently 3.5 hours ahead of Kolkata.
What time zone is Osaka in?
Osaka is in the Asia/Tokyo time zone, currently using GMT+9 (UTC+9). Osaka does not observe Daylight Saving Time.
What time is midnight in Osaka in Kolkata?
When it is midnight (12:00 AM) in Osaka, it is 8:30 PM in Kolkata.