Time in Wuhan vs Kolkata
Wuhan keeps CST (UTC+8) and Kolkata keeps IST (UTC+5:30) today. Kolkata is 2½ hours behind Wuhan; 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).
| City | 00:00 in Wuhan | 01:00 in Wuhan | 02:00 in Wuhan | 03:00 in Wuhan | 04:00 in Wuhan | 05:00 in Wuhan | 06:00 in Wuhan | 07:00 in Wuhan | 08:00 in Wuhan | 09:00 in Wuhan | 10:00 in Wuhan | 11:00 in Wuhan | 12:00 in Wuhan | 13:00 in Wuhan | 14:00 in Wuhan | 15:00 in Wuhan | 16:00 in Wuhan | 17:00 in Wuhan | 18:00 in Wuhan | 19:00 in Wuhan | 20:00 in Wuhan | 21:00 in Wuhan | 22:00 in Wuhan | 23:00 in Wuhan |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wuhan—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Kolkata—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with Wuhan and Kolkata
Best hours to call
11:00 in Wuhan
Inside working hours on both sides
09:00 in Kolkata
12:00 in Wuhan
Inside working hours on both sides
10:00 in Kolkata
13:00 in Wuhan
Inside working hours on both sides
11:00 in Kolkata
14:00 in Wuhan
Inside working hours on both sides
12:00 in Kolkata
Where daylight saving pulls them apart
Neither Wuhan nor Kolkata changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Kolkata of Wuhan?
Kolkata is 2½ hours behind Wuhan right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Wuhan and Kolkata?
Any hour in 11:00–18:00 Wuhan time is inside working hours in both cities.
Do Wuhan and Kolkata change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.