Time Difference Between Kolkata and Tokyo
Tokyo is 3 hours 30 minutes ahead Kolkata.
India
Kolkata
Asia/Kolkata · UTC+5:30
Japan
Tokyo
Asia/Tokyo · UTC+9
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both Kolkata and Tokyo.
Kolkata
9:30 AM
Tokyo
1:00 PM
Kolkata
10:30 AM
Tokyo
2:00 PM
Kolkata
11:30 AM
Tokyo
3:00 PM
Kolkata
12:30 PM
Tokyo
4:00 PM
Kolkata
1:30 PM
Tokyo
5:00 PM
Kolkata to Tokyo — 24-Hour Conversion
Each row shows the equivalent local time in Tokyo for an hour in Kolkata. Working-hours rows (9–18) are highlighted.
| Kolkata | Tokyo | Match |
|---|---|---|
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Workday in Kolkata | ||
| Workday in Kolkata | ||
| Workday in Kolkata | ||
| Workday in Kolkata | ||
| Off hours | ||
| Off hours | ||
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours |
Frequently Asked Questions
What is the time difference between Kolkata and Tokyo?
Tokyo, Japan (UTC+9) is 3 hours 30 minutes ahead Kolkata, India (UTC+5:30).
What is the best time to schedule a meeting between Kolkata and Tokyo?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between Kolkata and Tokyo?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in Kolkata, what time is it in Tokyo?
Use the conversion table on this page — every hour in Kolkata is mapped to its equivalent local time in Tokyo, including day shift markers when the date differs.