Common Hour
🇮🇳   India

Time in Kolkata — UTC+05:30

Live clock and time-zone data for Kolkata, India — Kolkata (Asia/Kolkata), UTC+05:30 UTC. Refreshed every 30 s.

Live clock
11:19
Thu 30 Apr 2026 · Day
Timezone
Asia/Kolkata
Current UTC offset
UTC+05:30
Abbreviation
GMT+5:30
Population
14,850,000
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Cultural and business context

Kolkata runs on Kolkata (Asia/Kolkata), which sits UTC+05:30 from UTC right now. In India, office hours typically stretch from 09:30 to 18:30 local time, with a lunch window around 13:00–14:00. India does not observe daylight saving time, so the offset stays at UTC+05:30 year-round.

Currency
INR ₹
Dial
+91
Work day
09:30–18:30
Lunch
13:00–14:00
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Time difference with reference cities
III
When it's noon in Kolkata, other cities are at
Shanghai14:30
Mumbai12:00
Tokyo15:30
New York02:30
London07:30
Singapore14:30
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Best hours to meet with Shanghai
Morning meeting (both on-shift)12:00 ↔ 09:00
Afternoon meeting (both on-shift)15:00 ↔ 12:00
End-of-day sync17:00 ↔ 14:00
Compare: Kolkata ↔ Shanghai
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Cities with the same UTC offset right now
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± 1h
One hour ahead of Kolkata
One hour behind Kolkata
    VII
    Frequently asked questions

    Is Kolkata in the same time zone as Mumbai?

    Kolkata shares the IANA zone Asia/Kolkata. Check the neighbors block below to see which cities in India share the same clock.

    What time is it in Kolkata when it's 9 AM in Shanghai?

    When it's 09:00 in Shanghai, Common Hour's live converter shows the exact equivalent in Kolkata based on today's offset.

    Is it daytime in Kolkata right now?

    Yes — it is currently daytime in Kolkata.

    What is the current UTC offset in Kolkata?

    Kolkata is currently UTC+05:30 from UTC, on the Asia/Kolkata timezone.

    What time zone abbreviation does Kolkata use?

    Kolkata uses the abbreviation GMT+5:30, which corresponds to the IANA zone Asia/Kolkata.

    India Asia/KolkataUTC+05:30← All cities