Tokyo to Kolkata Time Difference
Kolkata is 3 hours 30 min behind Tokyo. When it is noon in Tokyo, it is 8.5:00 in Kolkata.
Tokyo (UTC+9) → Kolkata (UTC+5:30)
🕐 Interactive Time Explorer
When it's 17:00 in Tokyo, it's 13.5:00 in Kolkata
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Tokyo & Kolkata✓ Perfect Match (4 hours)
◐ Extended Hours (6 hours)
✈️ Travel Information
Distance
5,134 km
Est. Flight Time
~7h
Time Difference
-3.5h
Work Hours Overlap
4h
Good
🔴 Office Closed
Today 13:00
13:00 - 17:00
⏰ Quick Conversion
06:00
Tokyo
2.5:00
Kolkata
09:00
Tokyo
5.5:00
Kolkata
12:00
Tokyo
8.5:00
Kolkata
15:00
Tokyo
11.5:00
Kolkata
18:00
Tokyo
14.5:00
Kolkata
21:00
Tokyo
17.5:00
Kolkata
00:00
Tokyo
20.5:00
Kolkata (-1)
03:00
Tokyo
23.5:00
Kolkata (-1)
Frequently Asked Questions
How many hours is Tokyo ahead of Kolkata?
Kolkata is 3 hours 30 min behind Tokyo. When it is 12:00 noon in Tokyo, it is 8.5:00 in Kolkata. Tokyo operates on Asia/Tokyo (UTC+9), while Kolkata uses Asia/Kolkata (UTC+5.5).
What is the best time to call Kolkata from Tokyo?
There are 5 hours of overlapping business time (9 AM–5 PM) between Tokyo and Kolkata. The best window is 13:00–18:00 Tokyo time (9.5:00–14.5:00 in Kolkata).
Does the Tokyo to Kolkata time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Tokyo and Kolkata
The distance between Tokyo and Kolkata is approximately 5,134 km. A direct flight typically takes around 7 hours. Your arrival clock will show local Kolkata time — use our Flight Time Calculator to predict exact arrival times.