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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 Taipei

Kolkata keeps IST (UTC+5:30) and Taipei keeps UTC+8 (UTC+8) today. Taipei 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 Taipei (09:00–15:00 your time).

Kolkata and Taipei 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
Taipei——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Kolkata and Taipei

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Taipei of Kolkata?

Taipei 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 Taipei?

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

Do Kolkata and Taipei change clocks on the same date?

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