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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 Kolkata vs Wuhan

Kolkata keeps IST (UTC+5:30) and Wuhan keeps CST (UTC+8) today. Wuhan is 2½ hours ahead of Kolkata; 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: 12:00–18:00 in Wuhan (09:00–15:00 your time).

Kolkata and Wuhan hour by hour, with the working-hour overlap shaded
City00:00 in Kolkata01:00 in Kolkata02:00 in Kolkata03:00 in Kolkata04:00 in Kolkata05:00 in Kolkata06:00 in Kolkata07:00 in Kolkata08:00 in Kolkata09:00 in Kolkata10:00 in Kolkata11:00 in Kolkata12:00 in Kolkata13:00 in Kolkata14:00 in Kolkata15:00 in Kolkata16:00 in Kolkata17:00 in Kolkata18:00 in Kolkata19:00 in Kolkata20:00 in Kolkata21:00 in Kolkata22:00 in Kolkata23:00 in Kolkata
Kolkata——000102030405060708091011121314151617181920212223
Wuhan——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Kolkata and Wuhan

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

Best hours to call

09:00 in Kolkata
Inside working hours on both sides
12:00 in Wuhan
10:00 in Kolkata
Inside working hours on both sides
13:00 in Wuhan
11:00 in Kolkata
Inside working hours on both sides
14:00 in Wuhan
12:00 in Kolkata
Inside working hours on both sides
15:00 in Wuhan

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Wuhan of Kolkata?

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

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

Any hour in 09:00–15:00 Kolkata time is inside working hours in both cities.

Do Kolkata and Wuhan change clocks on the same date?

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