How Many Hours is Tokyo from Kolkata?
Tokyo ticks 3 hours 30 minutes ahead of the other location
Quick time conversions: Tokyo → Kolkata
Common reference points to help you plan across the time difference.
Setting a 12:00 PM alarm in Tokyo? That's 8:30 AM for Kolkata.
If I call at 6:00 AM from Tokyo, what time is it in Kolkata?—2:30 AM
3:00 PMin Tokyo→11:30 AMin Kolkata
Setting a 7:00 AM alarm in Tokyo? That's 3:30 AM for Kolkata.
11:00 AMin Tokyo→7:30 AMin Kolkata
Frequently Asked Questions
What is the time difference between Tokyo and Kolkata?
There is a 3 hours 30 minutes gap between Tokyo and Kolkata. Tokyo runs on Asia/Tokyo and Kolkata on Asia/Kolkata.
When is it business hours in both Tokyo and Kolkata at the same time?
Tokyo and Kolkata share 4.5 hours of business hours overlap daily. Aim for 13:00 Tokyo / 09:00 Kolkata for best availability.
Is the current 3 hours 30 minutes gap between Tokyo and Kolkata reliable?
Both Tokyo and Kolkata are in a stable DST period. No adjustments needed for meetings scheduled in the next 7 days.
When it is 12:00 noon in Tokyo, what time is it in Kolkata?
Tokyo at noon — that's 8:30 AM in Kolkata at the exact same instant.
How accurate is this Tokyo to Kolkata converter?
The slider is the fastest method — move it to any Tokyo hour and watch Kolkata update live. The text bar also accepts natural language input.
Which upcoming holidays affect Tokyo–Kolkata coordination?
Mountain Day falls on August 11 in Tokyo. If you have meetings around that date, confirm availability in advance.
What are the official time zones for Tokyo and Kolkata?
Tokyo is in the Asia/Tokyo timezone. Kolkata is in Asia/Kolkata. The difference is 3 hours 30 minutes.
9:00 AM in Tokyo — is that reasonable for Kolkata?
9:00 AM in Tokyo = 5:30 AM in Kolkata. That falls outside standard hours in Kolkata — confirm with your contact.
End of day in Tokyo — what time is that for someone in Kolkata?
5:00 PM in Tokyo = 1:30 PM in Kolkata. Your Kolkata contact should still be at their desk.
How does the time change when traveling from Tokyo to Kolkata?
Traveling from Tokyo to Kolkata means you gain 3 hours 30 minutes in local time. Most people adjust within a day.
Tokyo ↔ Kolkata
4h of business hours overlap daily (09:00–17:00)· Showing morning hours (05:00–13:00)
Tokyo
Kolkata
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.