Time zone
- India Standard Time (IST), UTC +5:30
- No daylight saving time, same UTC offset all year
The IANA time zone identifier for Kolkata is Asia/Kolkata.
Sunrise, sunset, day length and solar time for Kolkata
- Sunrise: 05:09AM
- Sunset: 06:00PM
- Day length: 12h 51m
- Solar noon: 11:35AM
- The current local time in Kolkata is 25 minutes behind apparent solar time.