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Global ClockTime zone converter & meeting planner
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Working hours
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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 Kolkata vs Kabul

Kolkata keeps IST (UTC+5:30) and Kabul keeps UTC+4:30 (UTC+4:30) today. Kabul is 1 hour behind 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: 09:00–17:00 in Kabul (10:00–18:00 your time).

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

Do more with Kolkata and Kabul

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, Kabul and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Kabul of Kolkata?

Kabul is 1 hour behind 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 Kabul?

Any hour in 10:00–18:00 Kolkata time is inside working hours in both cities.

Do Kolkata and Kabul change clocks on the same date?

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