From
Yokohama
Japan
2:21 PM
Sun, Nov 1
UTC+9Asia/Tokyo
Time Difference
Yokohama vs Kolkata Time Difference
Compare the current local time in Yokohama, Japan and Kolkata, India.
Live local timeDST awareUTC offsets
Current difference
Kolkata is currently 3 hours 30 minutes behind Yokohama.
This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.
24-hour comparison
Compare Yokohama and Kolkata hour by hour
See how a full local day in Yokohama, Japan maps to Kolkata, India. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.
Best working-hours overlap
1:00 PM – 6:00 PM in Yokohama
corresponds to 9:30 AM – 2:30 PM in Kolkata.
Yokohama
Asia/Tokyo
Kolkata
Asia/Kolkata
Availability
12:00 AM
Sun, Nov 1
8:30 PM
Previous daySat, Oct 31
Night
1:00 AM
Sun, Nov 1
9:30 PM
Previous daySat, Oct 31
Night
2:00 AM
Sun, Nov 1
10:30 PM
Previous daySat, Oct 31
Night
3:00 AM
Sun, Nov 1
11:30 PM
Previous daySat, Oct 31
Night
4:00 AM
Sun, Nov 1
12:30 AM
Sun, Nov 1
Night
5:00 AM
Sun, Nov 1
1:30 AM
Sun, Nov 1
Night
6:00 AM
Sun, Nov 1
2:30 AM
Sun, Nov 1
Night
7:00 AM
Sun, Nov 1
3:30 AM
Sun, Nov 1
Night
8:00 AM
Sun, Nov 1
4:30 AM
Sun, Nov 1
Night
9:00 AM
Sun, Nov 1
5:30 AM
Sun, Nov 1
Night
10:00 AM
Sun, Nov 1
6:30 AM
Sun, Nov 1
Night
11:00 AM
Sun, Nov 1
7:30 AM
Sun, Nov 1
Possible
12:00 PM
Sun, Nov 1
8:30 AM
Sun, Nov 1
Possible
1:00 PM
Sun, Nov 1
9:30 AM
Sun, Nov 1
Good overlap
2:00 PM
Sun, Nov 1
10:30 AM
Sun, Nov 1
Good overlap
3:00 PM
Sun, Nov 1
11:30 AM
Sun, Nov 1
Good overlap
4:00 PM
Sun, Nov 1
12:30 PM
Sun, Nov 1
Good overlap
5:00 PM
Sun, Nov 1
1:30 PM
Sun, Nov 1
Good overlap
6:00 PM
Sun, Nov 1
2:30 PM
Sun, Nov 1
Possible
7:00 PM
Sun, Nov 1
3:30 PM
Sun, Nov 1
Possible
8:00 PM
Sun, Nov 1
4:30 PM
Sun, Nov 1
Possible
9:00 PM
Sun, Nov 1
5:30 PM
Sun, Nov 1
Night
10:00 PM
Sun, Nov 1
6:30 PM
Sun, Nov 1
Night
11:00 PM
Sun, Nov 1
7:30 PM
Sun, Nov 1
Night
Working-hour labels use a general 9:00 AM–6:00 PM schedule. Individual schedules may differ.
On daylight-saving transition dates, a local day can contain 23 or 25 real hours instead of 24.
Call planning
Best time to call Kolkata from Yokohama
Compare typical business hours in Yokohama, Japan and Kolkata, India to find a practical time for calls, meetings or international coordination.
Yokohama
2:21 PM – 6:21 PM
Japan
Best overlap
Kolkata
10:51 AM – 2:51 PM
India
The best time to call Kolkata from Yokohama is between 2:21 PM and 6:21 PM in Yokohama. This corresponds to 10:51 AM – 2:51 PM in Kolkata.
Other reasonable windows
Yokohama
6:21 PM – 9:21 PM
Kolkata
2:51 PM – 5:51 PM
Recommendations use typical 9:00 AM–6:00 PM business hours and a broader 7:00 AM–9:00 PM acceptable calling window. Individual schedules may differ.
Time difference explained
Yokohama and Kolkata time difference explained
Current local-time relationship
Kolkata is currently 3 hours and 30 minutes behind Yokohama.
Yokohama uses Asia/Tokyo and currently has an offset of UTC+9. Kolkata uses Asia/Kolkata and currently has an offset of UTC+5:30.
Working-hours overlap
For a typical 9:00 AM–6:00 PM workday, the cities overlap from 12:30 PM to 6:00 PM in Yokohama, corresponding to 9:00 AM–2:30 PM in Kolkata.
Because UTC offsets can change during the year, always check the selected date when planning an important international call or meeting.
Convert a specific time
Need more than the current difference?
Convert a specific date and local time between Yokohama and Kolkata.
Open time converterLocal clocks
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FAQ
Yokohama to Kolkata time difference FAQ
Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Yokohama and Kolkata.
What is the time difference between Yokohama and Kolkata?
The current time difference between Yokohama and Kolkata is 3h 30m. Kolkata is currently 3 hours and 30 minutes behind Yokohama.
Is Kolkata ahead of or behind Yokohama?
Kolkata is currently 3 hours and 30 minutes behind Yokohama.
What time is it in Kolkata when it is 9:00 AM in Yokohama?
Using the current UTC offsets, 9:00 AM in Yokohama corresponds to 5:30 AM in Kolkata. The exact difference can change when daylight-saving rules change.
What is the best time to call Kolkata from Yokohama?
Typical 9:00 AM–6:00 PM business hours overlap between 12:30 PM and 6:00 PM in Yokohama. This corresponds to 9:00 AM–2:30 PM in Kolkata.
Can the time difference between Yokohama and Kolkata change?
Yes. The time difference can change if Yokohama or Kolkata changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones Asia/Tokyo and Asia/Kolkata for date-aware calculations.