Time Difference

Kabul vs Kolkata Time Difference

Compare the current local time in Kabul, Afghanistan and Kolkata, India.

Live local timeDST awareUTC offsets

From

Kabul

Afghanistan

4:06 AM

Mon, Aug 17

UTC+4:30Asia/Kabul

Difference

1 hour

Swap

Kolkata

India

5:06 AM

Mon, Aug 17

UTC+5:30Asia/Kolkata

Current difference

Kolkata is currently 1 hour ahead of Kabul.

This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.

24-hour comparison

Compare Kabul and Kolkata hour by hour

See how a full local day in Kabul, Afghanistan maps to Kolkata, India. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.

24-hour day

Best working-hours overlap

9:00 AM – 5:00 PM in Kabul

corresponds to 10:00 AM – 6:00 PM in Kolkata.

8 hours overlap

Kabul

Asia/Kabul

Kolkata

Asia/Kolkata

Availability

12:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

1:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

2:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

3:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

4:00 AM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

5:00 AM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

6:00 AM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Night

7:00 AM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

8:00 AM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Possible

9:00 AM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Good overlap

10:00 AM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Good overlap

11:00 AM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Good overlap

12:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Good overlap

1:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Good overlap

2:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Good overlap

3:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Good overlap

4:00 PM

Mon, Aug 17

5:00 PM

Mon, Aug 17

Good overlap

5:00 PM

Mon, Aug 17

6:00 PM

Mon, Aug 17

Possible

6:00 PM

Mon, Aug 17

7:00 PM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

8:00 PM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

9:00 PM

Mon, Aug 17

Night

9:00 PM

Mon, Aug 17

10:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

11:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

12:00 AM

Next day

Tue, Aug 18

Night

Working-hour labels use a general 9:00 AM–6:00 PM schedule. Individual schedules may differ.

On daylight-saving transition dates, a local day can contain 23 or 25 real hours instead of 24.

Call planning

Best time to call Kolkata from Kabul

Compare typical business hours in Kabul, Afghanistan and Kolkata, India to find a practical time for calls, meetings or international coordination.

Kabul

9:00 AM – 5:00 PM

Afghanistan

Best overlap

Kolkata

10:00 AM – 6:00 PM

India

The best time to call Kolkata from Kabul is between 9:00 AM and 5:00 PM in Kabul. This corresponds to 10:00 AM – 6:00 PM in Kolkata.

Other reasonable windows

Kabul

7:00 AM – 9:00 AM

Kolkata

8:00 AM – 10:00 AM

Kabul

5:00 PM – 8:00 PM

Kolkata

6:00 PM – 9:00 PM

Recommendations use typical 9:00 AM–6:00 PM business hours and a broader 7:00 AM–9:00 PM acceptable calling window. Individual schedules may differ.

Time difference explained

Kabul and Kolkata time difference explained

Current local-time relationship

Kolkata is currently 1 hour ahead of Kabul.

Kabul uses Asia/Kabul and currently has an offset of UTC+4:30. Kolkata uses Asia/Kolkata and currently has an offset of UTC+5:30.

Working-hours overlap

For a typical 9:00 AM–6:00 PM workday, the cities overlap from 9:00 AM to 5:00 PM in Kabul, corresponding to 10:00 AM–6:00 PM in Kolkata.

Because UTC offsets can change during the year, always check the selected date when planning an important international call or meeting.

Convert a specific time

Need more than the current difference?

Convert a specific date and local time between Kabul and Kolkata.

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Local clocks

Explore each city

Current time in Kabul Current time in Kolkata

FAQ

Kabul to Kolkata time difference FAQ

Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Kabul and Kolkata.

What is the time difference between Kabul and Kolkata?

The current time difference between Kabul and Kolkata is 1 hour. Kolkata is currently 1 hour ahead of Kabul.

Is Kolkata ahead of or behind Kabul?

Kolkata is currently 1 hour ahead of Kabul.

What time is it in Kolkata when it is 9:00 AM in Kabul?

Using the current UTC offsets, 9:00 AM in Kabul corresponds to 10:00 AM in Kolkata. The exact difference can change when daylight-saving rules change.

What is the best time to call Kolkata from Kabul?

Typical 9:00 AM–6:00 PM business hours overlap between 9:00 AM and 5:00 PM in Kabul. This corresponds to 10:00 AM–6:00 PM in Kolkata.

Can the time difference between Kabul and Kolkata change?

Yes. The time difference can change if Kabul or Kolkata changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones Asia/Kabul and Asia/Kolkata for date-aware calculations.