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Global ClockTime zone converter & meeting planner
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09
End
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 Chengdu vs Kolkata

Chengdu keeps CST (UTC+8) and Kolkata keeps IST (UTC+5:30) today. Kolkata is 2½ hours behind Chengdu; 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: 09:00–16:00 in Kolkata (11:00–18:00 your time).

Chengdu and Kolkata hour by hour, with the working-hour overlap shaded
City00:00 in Chengdu01:00 in Chengdu02:00 in Chengdu03:00 in Chengdu04:00 in Chengdu05:00 in Chengdu06:00 in Chengdu07:00 in Chengdu08:00 in Chengdu09:00 in Chengdu10:00 in Chengdu11:00 in Chengdu12:00 in Chengdu13:00 in Chengdu14:00 in Chengdu15:00 in Chengdu16:00 in Chengdu17:00 in Chengdu18:00 in Chengdu19:00 in Chengdu20:00 in Chengdu21:00 in Chengdu22:00 in Chengdu23:00 in Chengdu
Chengdu——000102030405060708091011121314151617181920212223
Kolkata——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Chengdu 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 Chengdu, Kolkata and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

11:00 in Chengdu
Inside working hours on both sides
09:00 in Kolkata
12:00 in Chengdu
Inside working hours on both sides
10:00 in Kolkata
13:00 in Chengdu
Inside working hours on both sides
11:00 in Kolkata
14:00 in Chengdu
Inside working hours on both sides
12:00 in Kolkata

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Kolkata of Chengdu?

Kolkata is 2½ hours behind Chengdu right now. The gap is not fixed: it moves whenever either side changes its clocks.

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

Any hour in 11:00–18:00 Chengdu time is inside working hours in both cities.

Do Chengdu and Kolkata change clocks on the same date?

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