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: 06:18AM
- Sunset: 05:17PM
- Day length: 10h 59m
- Solar noon: 11:48AM
- The current local time in Kolkata is 12 minutes behind apparent solar time.