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Kolkata, India
11:49:06 AM
Saturday, September 12, 2026
Time in Kolkata – Current Local Time
Live local time, IST clock, UTC offset, and time differences for Kolkata, India.
Timezone: IST (Asia/Kolkata)Offset: UTC+5:30DST: Not observed (constant all year)
Kolkata is situated in India (Asia) and observes the Asia/Kolkata (IST) time standard at UTC+5:30 from Coordinated Universal Time (UTC). Kolkata maintains a constant UTC+5:30 offset year-round, without seasonal Daylight Saving Time transitions.
The live clock above reflects current civil time to the second, providing accurate local hours for travel planning, cross-border meeting coordination, and international communications.
Time zone data verified and last updated: September 12, 2026
How Many Hours Ahead or Behind is Kolkata?
Calculated time differences between Kolkata (UTC+5:30) and major international business hubs, dynamically accounting for active Daylight Saving Time shifts.
| Financial Hub | Current Timezone | Kolkata Status | Time at 12:00 PM in Kolkata |
|---|---|---|---|
| New YorkUnited States | EST/EDT | Kolkata is 9 hours 30 minutes ahead | 2:30 AM |
| LondonUnited Kingdom | GMT/BST | Kolkata is 4 hours 30 minutes ahead | 7:30 AM |
| TokyoJapan | JST | Kolkata is 3 hours 30 minutes behind | 3:30 PM |
| SydneyAustralia | AEST/AEDT | Kolkata is 4 hours 30 minutes behind | 4:30 PM |
Convert IST Time to Other Major Zones
Frequently Asked Questions About Time in Kolkata
What time is it in Kolkata right now?
The live clock at the top of this page shows the exact current time in Kolkata, India, updated every second. Kolkata is on IST (UTC+5:30 from UTC).
What time zone is Kolkata in?
Kolkata uses the Asia/Kolkata time zone (IST), which is UTC+5:30 from Coordinated Universal Time. This offset stays the same all year because Kolkata does not observe Daylight Saving Time.
What is the time difference between Kolkata and New York?
Kolkata is currently 9 hours 30 minutes ahead of New York. When it is 9:00 AM in New York, it is 6:30 PM in Kolkata. This accounts for any Daylight Saving Time in effect.
What is the time difference between Kolkata and London?
Kolkata is currently 4 hours 30 minutes ahead of London. When it is 9:00 AM in London, it is 1:30 PM in Kolkata. This accounts for any Daylight Saving Time in effect.
Does Kolkata observe Daylight Saving Time?
No. Kolkata does not observe Daylight Saving Time, so its UTC+5:30 offset from UTC stays constant throughout the year.
When is the best time to schedule a call with someone in Kolkata?
Standard business hours in Kolkata are 9:00 AM to 5:00 PM local time (IST). Use the timeline planner on this page to line up Kolkata's working hours with your own time zone and find an overlap that suits both sides.
Kolkata at a Glance
UTC Offset
UTC+5:30
DST Observed
No
Kolkata Time & Location Profile
Timezone Identifier
Asia/Kolkata (IST)
Current UTC Offset
UTC+5:30
Daylight Saving Time
Not Observed (fixed offset year-round)
Country & Region
India • Asia
Planning a Trip or Call to Kolkata?
✈️ Flight & Airport Details
When booking travel to Kolkata, remember to account for the local time difference—Kolkata is UTC+5:30 from UTC. Adjust your watch upon arrival to adjust to local routines.
💼 Business Hours & Scheduling
Kolkata does not observe Daylight Saving Time, keeping international scheduling calculations consistent all year at UTC+5:30.