11 PM Kolkata to AST Time

Kolkata Time

Kolkata, West Bengal, India

Kolkata time (IST) is 5 hours 30 minutes ahead of Universal Time (UTC+5)

↑ ↓

Atlantic Standard Time

Atlantic Standard Time (AST)

AST is 4 hours behind Universal Time (UTC-4)

Kolkata to AST Time Conversion

When it is 12:00 PM in Kolkata, it is 2:30 AM in AST.

📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.

Time difference between Kolkata and AST

Kolkata is 9 hours 30 minutes ahead of AST.

🕐 Subtract 9 hours 30 minutes from Kolkata time to get AST time.

Kolkata uses 5 hours 30 minutes ahead of Universal Time (UTC+5) and AST uses 4 hours behind Universal Time (UTC-4).

Kolkata to AST time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between Kolkata and AST.

Kolkata Time		AST Time
12 AM Kolkata Time	↔	2 PM AST Time
1 AM Kolkata Time	↔	3 PM AST Time
2 AM Kolkata Time	↔	4 PM AST Time
3 AM Kolkata Time	↔	5 PM AST Time
4 AM Kolkata Time	↔	6 PM AST Time
5 AM Kolkata Time	↔	7 PM AST Time
6 AM Kolkata Time	↔	8 PM AST Time
7 AM Kolkata Time	↔	9 PM AST Time
8 AM Kolkata Time	↔	10 PM AST Time
9 AM Kolkata Time	↔	11 PM AST Time
10 AM Kolkata Time	↔	12 AM AST Time
11 AM Kolkata Time	↔	1 AM AST Time

Kolkata Time		AST Time
12 PM Kolkata Time	↔	2 AM AST Time
1 PM Kolkata Time	↔	3 AM AST Time
2 PM Kolkata Time	↔	4 AM AST Time
3 PM Kolkata Time	↔	5 AM AST Time
4 PM Kolkata Time	↔	6 AM AST Time
5 PM Kolkata Time	↔	7 AM AST Time
6 PM Kolkata Time	↔	8 AM AST Time
7 PM Kolkata Time	↔	9 AM AST Time
8 PM Kolkata Time	↔	10 AM AST Time
9 PM Kolkata Time	↔	11 AM AST Time
10 PM Kolkata Time	↔	12 PM AST Time
11 PM Kolkata Time	↔	1 PM AST Time

Kolkata to AST - Frequently Asked Questions

What is the time difference between Kolkata and AST?

Kolkata is 9 hours 30 minutes ahead of AST.

Is Kolkata ahead of or behind AST?

Kolkata is ahead of AST by 9 hours 30 minutes.

When it is 9:00 AM in Kolkata, what time is it in AST?

It is 11:30 PM the previous day in AST.

Convert Kolkata Time to Popular Time Zones

Kolkata to EST

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Kolkata to HKT

Kolkata to HST

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Kolkata to ICT

Kolkata to IST-I

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Kolkata to PKT

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Kolkata to ECT

Kolkata to CST-CU

Kolkata to NZDT

Kolkata to NZST

Kolkata to MYT

Kolkata to BRT

Kolkata to AKDT

Kolkata to AKST

Kolkata to CLT

Kolkata to CLST

Kolkata to UYT

Kolkata to WET

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