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