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Working hours
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09
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18
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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Jakarta vs Kolkata

Jakarta keeps WIB (UTC+7) and Kolkata keeps IST (UTC+5:30) today. Kolkata is 1½ hours behind Jakarta; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 09:00–17:00 in Kolkata (10:00–18:00 your time).

Jakarta and Kolkata hour by hour, with the working-hour overlap shaded
City00:00 in Jakarta01:00 in Jakarta02:00 in Jakarta03:00 in Jakarta04:00 in Jakarta05:00 in Jakarta06:00 in Jakarta07:00 in Jakarta08:00 in Jakarta09:00 in Jakarta10:00 in Jakarta11:00 in Jakarta12:00 in Jakarta13:00 in Jakarta14:00 in Jakarta15:00 in Jakarta16:00 in Jakarta17:00 in Jakarta18:00 in Jakarta19:00 in Jakarta20:00 in Jakarta21:00 in Jakarta22:00 in Jakarta23:00 in Jakarta
Jakarta——000102030405060708091011121314151617181920212223
Kolkata——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Jakarta and Kolkata

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Jakarta, Kolkata and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

10:00 in Jakarta
Inside working hours on both sides
09:00 in Kolkata
11:00 in Jakarta
Inside working hours on both sides
10:00 in Kolkata
12:00 in Jakarta
Inside working hours on both sides
11:00 in Kolkata
13:00 in Jakarta
Inside working hours on both sides
12:00 in Kolkata

Where daylight saving pulls them apart

Neither Jakarta nor Kolkata changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Kolkata of Jakarta?

Kolkata is 1½ hours behind Jakarta right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Jakarta and Kolkata?

Any hour in 10:00–18:00 Jakarta time is inside working hours in both cities.

Do Jakarta and Kolkata change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.