Kolkata ↔ Bangkok — Live Clock

Kolkata is 1 hour 30 minutes behind

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

Bangkok

Thailand · +1.5h

10:30

London

United Kingdom · -4.5h

04:30

New York

USA · -9.5h

23:30-1 day

Tokyo

Japan · +3.5h

12:30

Dubai

United Arab Emirates · -1.5h

07:30

Time difference: Kolkata and Bangkok

Kolkata is 2 hours 30 minutes behind Bangkok. At noon in Kolkata, your contact in Bangkok sees 13:00.

Kolkata is in the Asia/Kolkata timezone. Bangkok is in Asia/Bangkok. The difference is 1.5 hours 30 minutes.

Business hours comparison

Kolkata and Bangkok 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

Kolkata

Bangkok

Overlap (6.5h)

Recommended meeting windows

Both Kolkata and Bangkok are in standard hours simultaneously for 6.5h per day. 3 recommended slots shown below.

09:00 Kolkata / 10:00 Bangkok✓ Both working

10:00 Kolkata / 11:00 Bangkok✓ Both working

11:00 Kolkata / 12:00 Bangkok✓ Both working

Based on standard 09:00–17:00 working hours in each location's local time.

Scheduling between Kolkata and Bangkok

Kolkata (India) leads Bangkok (Thailand) by 1.5 hours. Despite the gap, a 6.5-hour window of shared business hours each day keeps real-time collaboration practical for both sides.

💡 Scheduling tips for these locations

✅

09:00–10:00 in Kolkata = 10:00–11:00 in Bangkok. Both sides are in standard business hours during this window.

✅

10:00–11:00 in Kolkata = 11:00–12:00 in Bangkok. Both sides are in standard business hours during this window.

✅

11:00–12:00 in Kolkata = 12:00–13:00 in Bangkok. Both sides are in standard business hours during this window.

DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.

Get the Extension — Free →

Use the time slider above to find the exact equivalent time for any moment in Kolkata. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.

Frequently Asked Questions

How many hours apart are Kolkata and Bangkok?

Kolkata and Bangkok are 1 hour 30 minutes apart. Kolkata (Asia/Kolkata) is behind Bangkok (Asia/Bangkok).

What is the best time to schedule a call between Kolkata and Bangkok?

Both locations are simultaneously in business hours for 6.5 hours per day. 09:00 Kolkata / 10:00 Bangkok works well for both parties.

Will the offset change due to a DST transition anytime soon?

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

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

When it is 12:00 noon in Kolkata, it is 1:30 PM in Bangkok.

How can I quickly find the current time in Bangkok from Kolkata?

Simply drag the slider to your Kolkata time — Bangkok and all other locations update in real time. Accuracy is to the minute, DST-aware.

How do Kolkata and Bangkok relate to UTC?

Kolkata observes Asia/Kolkata and Bangkok observes Asia/Bangkok. Their UTC offset difference is 1 hour 30 minutes.

Quick time conversions: Kolkata → Bangkok

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

When it's 3:00 PM in Kolkata, the time in Bangkok is 4:30 PM.

What time is 11:00 AM Kolkata in Bangkok?—12:30 PM

1:00 PMin Kolkata→2:30 PMin Bangkok

For every 4:00 PM in Kolkata, it's simultaneously 5:30 PM in Bangkok.

2:00 PMin Kolkata→3:30 PMin Bangkok

If I call at 6:00 AM from Kolkata, what time is it in Bangkok?—7:30 AM

6:00 PMin Kolkata→7:30 PMin Bangkok

Popular Kolkata time conversions

Kolkata to Rome Kolkata to Chicago Kolkata to Mumbai Kolkata to Amsterdam Kolkata to Los Angeles Kolkata to New York Kolkata to London Kolkata to Sydney Kolkata to Toronto

Bangkok paired with other time zones

Bangkok to Paris Bangkok to Los Angeles Bangkok to Hong Kong Bangkok to Singapore Bangkok to Mumbai Bangkok to Dubai Bangkok to Chicago Bangkok to Seoul Bangkok to New York

Kolkata ↔ Bangkok

7h of business hours overlap daily (09:00–17:00)· Showing afternoon hours (12:00–20:00)

Kolkata

Bangkok

12:00Working

13:30Working

13:00Working

14:30Working

14:00Working

15:30Working

15:00Working

16:30Working

16:00Working

17:30off

17:00

18:30

18:00

19:30

19:00

20:30

20:00

21:30

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