What is the ISO week number in Kolkata?

TimeDials shows the current ISO week number for Kolkata in real time. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year.

Time in Kolkata, West Bengal, India — Local Time & Date

Live

--:--:--

Current local time in 🇮🇳 Kolkata, West Bengal, India.

IST UTC+05:30

Relative to You

Detecting your timezone…

Relative to UTC

+5.5 hours ahead

Noon here = 06:30 UTC

09:00 here = 03:30 UTC

12:00 here = 06:30 UTC

17:00 here = 11:30 UTC

ISO Week

11 Odd Week

Sun

05:43

17:30

Today

Afternoon in Kolkata. Business hours are in full swing. The current offset is UTC+05:30.

Widget Creator

Add this Kolkata clock to your website

Customize a live Kolkata time widget — pick your style, colors, and layout, then copy one line of code.

Get this widget

Free embed — iframe, JavaScript, or direct link.

Quick Facts

Country	🇮🇳India
State / Region	West Bengal
Timezone	IST
UTC Offset	UTC+05:30
DST	No — fixed offset
Population	4,631,392
Elevation	11 m
Sunrise	05:43
Sunset	17:30
Coordinates	22.56°N, 88.36°E

Map

Map data © OpenStreetMap contributors

Time Difference to Major Cities

City	Difference	Local Time
New York	-9h 30m	--:--
Los Angeles	-12h 30m	--:--
London	-5h 30m	--:--
Paris	-4h 30m	--:--
Dubai	-1h 30m	--:--
Singapore	+2h 30m	--:--
Tokyo	+3h 30m	--:--
Sydney	+5h 30m	--:--
Sao Paulo	-8h 30m	--:--
Cairo	-3h 30m	--:--
Shanghai	+2h 30m	--:--

Frequently Asked Questions

What are the business hours in Kolkata?

Standard business hours in Kolkata are 09:00–17:00 local time (IST). Check the live clock above to see the current local time. Use our Time Zone Planner to find the best meeting time across cities.

What is the UTC offset for Kolkata?

Kolkata is currently at UTC+05:30. The timezone identifier is IST. When it is noon in Kolkata, it is 06:30 UTC. You can embed a live Kolkata clock on your website.

What ISO week number is it in Kolkata?

It is currently ISO week 11 (odd week) in Kolkata. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year. Learn more about ISO week numbers.