JST (Tokyo) to IST (Kolkata) Time Converter

Convert time between JST (Tokyo) and IST (Kolkata)

Live updates
05:02 PM→01:32 PM
IST (Kolkata) is 3h 30m behind of JST (Tokyo)

From

JST (Tokyo)

City:
Tokyo
Country:
Japan
UTC Offset:
UTC+9
Local Time:
05:02 PMEvening

To

IST (Kolkata)

City:
Kolkata
Country:
India
UTC Offset:
UTC+5:30
Local Time:
01:32 PMLunch Time

Time Analysis

Smart Insights

Best time to call

JST (Tokyo) morning

IST (Kolkata) is sleeping

Working hours overlap

6 hours

9 AM - 5 PM window

24-Hour Comparison

Quick reference for the full day

UTC → JST (Tokyo) → IST (Kolkata)

JST (Tokyo) Business Hours

Business Hours: 9:00 AM - 5:00 PM (UTC +09:00)

IST (Kolkata) Business Hours

Business Hours: 9:00 AM - 5:00 PM (UTC +05:30)

Best time to schedule meetings: When both timezones are in business hours (9 AM - 5 PM)

JST (Tokyo) is 3h 30m ahead of IST (Kolkata)

UTC
JST (Tokyo)9AM-5PM
IST (Kolkata)9AM-5PM
00:00Oct 19
09:00Oct 19
05:30Oct 19
01:00Oct 19
10:00Oct 19
06:30Oct 19
02:00Oct 19
11:00Oct 19
07:30Oct 19
03:00Oct 19
12:00Oct 19
08:30Oct 19
04:00Oct 19
13:00Oct 19
09:30Oct 19
05:00Oct 19
14:00Oct 19
10:30Oct 19
06:00Oct 19
15:00Oct 19
11:30Oct 19
07:00Oct 19
16:00Oct 19
12:30Oct 19
08:00NowOct 19
17:00Oct 19
13:30Oct 19
09:00Oct 19
18:00Oct 19
14:30Oct 19
10:00Oct 19
19:00Oct 19
15:30Oct 19
11:00Oct 19
20:00Oct 19
16:30Oct 19
12:00Oct 19
21:00Oct 19
17:30Oct 19
13:00Oct 19
22:00Oct 19
18:30Oct 19
14:00Oct 19
23:00Oct 19
19:30Oct 19
15:00Oct 19
00:00 (next day)Oct 20
20:30Oct 19
16:00Oct 19
01:00 (next day)Oct 20
21:30Oct 19
17:00Oct 19
02:00 (next day)Oct 20
22:30Oct 19
18:00Oct 19
03:00 (next day)Oct 20
23:30Oct 19
19:00Oct 19
04:00 (next day)Oct 20
00:30 (next day)Oct 20
20:00Oct 19
05:00 (next day)Oct 20
01:30 (next day)Oct 20
21:00Oct 19
06:00 (next day)Oct 20
02:30 (next day)Oct 20
22:00Oct 19
07:00 (next day)Oct 20
03:30 (next day)Oct 20
23:00Oct 19
08:00 (next day)Oct 20
04:30 (next day)Oct 20
Current UTC hour
Overlap (Both 9AM-5PM)
JST (Tokyo) only
IST (Kolkata) only
Overlap dot
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Frequently Asked Questions

About JST (Tokyo) to IST (Kolkata) time conversion

General Questions

IST (Kolkata)is3 hours and 30 minutesbehindJST (Tokyo)

JST (Tokyo)

12:00 AM

IST (Kolkata)

8:30 PM

Conversely, when it is 12:00 AM in IST (Kolkata), it is 3:30 AM in JST (Tokyo).

Business & Meetings

Travel Planning

Technical Details