Your time, clearly
Kolkata (India) does not change its clocks
No clock change
Kolkata (India)
- UTC offset now
- 5.5 hours
- Current local time
- 07:31
- Time zone name
- IST
- Compared with New York (Eastern Time)
- 9.5 hours ahead
Kolkata (India) does not change its clocks in 2026. Its last recorded offset change was Sunday, October 14, 1945. Published rules can change if a government changes the law.
Clock changes in 2026
- Where this time zone is used
- India
- Local calendar date
- Sunday, September 20, 2026
- Clock-change history
- Sunday, October 14, 1945 at 17:30 UTC
- Planning a call
- Compare Kolkata (India) with your own time zone using the converter below. The difference shown is for now; select the actual date in the converter for a future appointment.
- Recorded change: October 14, 1945
- Kolkata (India) moved from UTC+06:30 to UTC+05:30. The recorded change was at 17:30 UTC; historical local times before it used the earlier offset.
- Recorded change: August 31, 1942
- Kolkata (India) moved from UTC+05:30 to UTC+06:30. The recorded change was at 18:30 UTC; historical local times before it used the earlier offset.
- Recorded change: May 14, 1942
- Kolkata (India) moved from UTC+06:30 to UTC+05:30. The recorded change was at 17:30 UTC; historical local times before it used the earlier offset.
- Recorded change: September 30, 1941
- Kolkata (India) moved from UTC+05:30 to UTC+06:30. The recorded change was at 18:30 UTC; historical local times before it used the earlier offset.
- Recorded change: December 31, 1905
- Kolkata (India) moved from UTC+05:21:10 to UTC+05:30. The recorded change was at 18:38 UTC; historical local times before it used the earlier offset.
- Recorded change: December 31, 1869
- Kolkata (India) moved from UTC+05:53:20 to UTC+05:21:10. The recorded change was at 18:06 UTC; historical local times before it used the earlier offset.
- Plan a call: January 15, 2026
- At 9:00 AM in Kolkata (India), it is 10:30 PM on January 14, 2026 in New York (Eastern Time). Kolkata (India) is 10.5 hours ahead on this date.
- Plan a call: April 15, 2026
- At 9:00 AM in Kolkata (India), it is 11:30 PM on April 14, 2026 in New York (Eastern Time). Kolkata (India) is 9.5 hours ahead on this date.
- Plan a call: July 15, 2026
- At 9:00 AM in Kolkata (India), it is 11:30 PM on July 14, 2026 in New York (Eastern Time). Kolkata (India) is 9.5 hours ahead on this date.
- Plan a call: October 15, 2026
- At 9:00 AM in Kolkata (India), it is 11:30 PM on October 14, 2026 in New York (Eastern Time). Kolkata (India) is 9.5 hours ahead on this date.