Jakarta to Kolkata: Live Time Converter

Day starts 1 hour 30 minutes earlier in Jakarta

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

Kolkata

India · -1.5h

07:30

London

United Kingdom · -6h

03:00

New York

USA · -11h

22:00-1 day

Tokyo

Japan · +2h

11:00

Dubai

United Arab Emirates · -3h

06:00

Quick time conversions: Jakarta → Kolkata

Common reference points to help you plan across the time difference.

When Jakarta clocks show 5:00 PM, Kolkata reads 3:30 PM.

What's the Kolkata equivalent of 6:00 PM Jakarta?—4:30 PM

6:00 AMin Jakarta→4:30 AMin Kolkata

When it's 2:00 PM in Jakarta, the time in Kolkata is 12:30 PM.

9:00 AMin Jakarta→7:30 AMin Kolkata

If it's 12:00 PM where I am in Jakarta, what does Kolkata show?—10:30 AM

8:00 AMin Jakarta→6:30 AMin Kolkata

Frequently Asked Questions

How much time separates Jakarta and Kolkata?

Currently Jakarta (Asia/Jakarta) and Kolkata (Asia/Kolkata) differ by 1 hour 30 minutes.

When can I schedule a call that works in both Jakarta and Kolkata?

With 6.5 hours of overlap, there is enough room for quality collaboration. 11:00 Jakarta / 09:00 Kolkata keeps both sides comfortable.

Is the current 1 hour 30 minutes gap between Jakarta and Kolkata reliable?

The 1 hour 30 minutes difference between Jakarta and Kolkata is stable — no DST changes expected in the next 7 days.

What is the Kolkata equivalent of 12:00 PM Jakarta time?

12:00 PM in Jakarta is 10:30 AM in Kolkata at the same moment.

How does the Jakarta to Kolkata time converter work?

Drag the slider to your desired Jakarta time — Kolkata updates in real time. Or type "3pm", "15:00", or even location-specific like "9am Tokyo".

What public holidays should I keep in mind when scheduling between Jakarta and Kolkata?

Jakarta observes Independence Day on August 17. Keep this in mind when coordinating between Jakarta and Kolkata.

What are the IANA timezone identifiers for Jakarta and Kolkata?

Jakarta follows Asia/Jakarta. Kolkata uses Asia/Kolkata. Together they are 1 hour 30 minutes apart.

9:00 AM in Jakarta — is that reasonable for Kolkata?

9 AM in Jakarta → 7:30 AM in Kolkata. That falls outside standard hours in Kolkata — confirm with your contact.

If I travel from Jakarta to Kolkata, how will my schedule shift?

Traveling from Jakarta to Kolkata means you gain 1 hour 30 minutes in local time. Most people adjust within a day.

Time difference: Jakarta and Kolkata

Jakarta is 1 hour 30 minutes ahead of Kolkata. At noon in Jakarta, your contact in Kolkata sees 10:00.

Jakarta runs on Asia/Jakarta; Kolkata runs on Asia/Kolkata. Together they are 1.5 hours 30 minutes apart.

Business hours comparison

Jakarta and Kolkata share 6.5 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.

00:0006:0012:0018:0024:00

Jakarta

Kolkata

Overlap (6.5h)

Best call times between these locations

There is a 6.5-hour daily window where both locations are in business hours. The 3 best slots are listed below.

11:00 Jakarta / 09:00 Kolkata✓ Both working

12:00 Jakarta / 10:00 Kolkata✓ Both working

13:00 Jakarta / 11:00 Kolkata✓ Both working

Working hours defined as 09:00–17:00 local time for each location.

Public holidays for both locations

Jakarta2 holidays

Aug 17Independence Day

Dec 25Christmas Day

Kolkata

No upcoming public holidays this year.

Scheduling between Jakarta and Kolkata

Jakarta (Indonesia) and Kolkata (India) are 1.5 hours apart. With a 6.5-hour daily overlap in standard business hours, both teams can connect in real time without either side stretching beyond their normal workday.

💡 Scheduling tips for these locations

✅

If you are in Jakarta, aim for 11:00–12:00, which corresponds to 09:00–10:00 in Kolkata — both teams are within working hours.

✅

If you are in Jakarta, aim for 12:00–13:00, which corresponds to 10:00–11:00 in Kolkata — both teams are within working hours.

✅

If you are in Jakarta, aim for 13:00–14:00, which corresponds to 11:00–12:00 in Kolkata — both teams are within working hours.

Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.

Add to your browser — Free →

Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am Jakarta".

Jakarta ↔ Kolkata

6h of business hours overlap daily (09:00–17:00)· Showing morning hours (05:00–13:00)

Jakarta

Kolkata

05:00

03:30

06:00

04:30

07:00

05:30

08:00

06:30

09:00Working

07:30off

10:00Working

08:30off

11:00Working

09:30Working

12:00Working

10:30Working

13:00Working

11:30Working

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

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