Time in Kolkata and Chicago
The time difference between Kolkata and Chicago, Illinois, is 10 hours 30 minutes. Chicago is 10 hours 30 minutes behind Kolkata.
This means 9am in Kolkata is 10:30pm in Chicago (previous day) and 5pm in Kolkata is 6:30am in Chicago.
Kolkata
- The current local time in Kolkata is 9:25 pm (August 25, 2026)
- Kolkata is in the Indian Standard Time Zone
- The time zone offset for Kolkata, India, is UTC+05:30
Chicago
- The current local time in Chicago is 10:55 am (August 25, 2026)
- Chicago is in the Central Daylight Time Zone
- The time zone offset for Chicago, United States, is UTC-05:00
How to convert Kolkata time to Chicago time?
Subtract 10 hours 30 minutes from Kolkata time to get Chicago time.
Time in Kolkata
00:00
Time in Chicago
00:00
Use the slider above to convert Kolkata time to Chicago time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| Kolkata | Chicago |
|---|---|
| 12am | 1:30pm |
| 1am | 2:30pm |
| 2am | 3:30pm |
| 3am | 4:30pm |
| 4am | 5:30pm |
| 5am | 6:30pm |
| 6am | 7:30pm |
| 7am | 8:30pm |
| 8am | 9:30pm |
| 9am | 10:30pm |
| 10am | 11:30pm |
| 11am | 0:30am |
| 12pm | 1:30am |
| 1pm | 2:30am |
| 2pm | 3:30am |
| 3pm | 4:30am |
| 4pm | 5:30am |
| 5pm | 6:30am |
| 6pm | 7:30am |
| 7pm | 8:30am |
| 8pm | 9:30am |
| 9pm | 10:30am |
| 10pm | 11:30am |
| 11pm | 12:30pm |
Time difference from Kolkata (UTC+05:30)
+30 minutes
+2 hours 30 minutes
-1 hour 30 minutes
+1 hour 30 minutes
+2 hours 30 minutes
-4 hours 30 minutes
-2 hours 30 minutes
-3 hours 30 minutes
+2 hours 30 minutes
+30 minutes