Time in Kolkata now:
Timezone
Atomic clock accuracy
Difference from your location
Kolkata is the same time as you
Sun
Moon
Geography
Time difference from Kolkata
| City | Local time | Difference |
|---|
Working hours overlap
9–17 in Kolkata vs UTC
Time converter
Type 9am, 21:00, noon, 9am tomorrow, or in 3 hours.
Next 14 days
Upcoming public holidays
- Christmas Day25 Dec 2026
- Republic Day26 Jan 2027
- Good Friday26 Mar 2027
- Ambedkar Jayanti14 Apr 2027
- Independence Day15 Aug 2027
Weather
Climate & seasons
About Kolkata
Home to roughly 4,496,694 residents, Kolkata is a major metropolitan hub in India. The city sits at 9 m above sea level, close to sea level, with maritime influence on its weather.
The Asia/Kolkata zone governs civic time in Kolkata; this identifier is the canonical reference used by every operating system on Earth. Lying in the northern hemisphere within the tropical belt, the city experiences a daylight pattern and seasonal arc characteristic of its latitude (22.57°).
Locally, prices are quoted in INR and the international dialing code is +91. This page exposes Kolkata's exact local time alongside sunrise, sunset, public holidays, and a structured-data feed at the JSON link below — useful for spreadsheets, scheduling tools, and AI assistants alike.
Nearest major cities
Cities in the same timezone
Questions about time in Kolkata
The current local time in Kolkata, India is shown live at the top of this page, synchronized to atomic time to the millisecond.
Kolkata uses the IANA time zone Asia/Kolkata, currently UTC+5:30.
Whether Kolkata observes daylight saving time and the date of the next clock change are shown in the Timezone block above. The IANA database (Asia/Kolkata) is the source of truth.
Kolkata is currently 10.5 hours ahead of New York.
Kolkata is currently 5.5 hours ahead of London.
Sunrise, sunset, solar noon, and civil/nautical/astronomical twilight times for Kolkata are listed in the Sun section above, computed from the city's coordinates (22.5726, 88.3639).
India uses the INR currency and the +91 international dialing code.
Kolkata sits at 22.5726° N, 88.3639° E, 9 m above sea level, in India.