Time in Kolkata and Chittagong
The time difference between Kolkata and Chittagong is 30 minutes. Chittagong is 30 minutes ahead of Kolkata.
This means 9am in Kolkata is 9:30am in Chittagong and 5pm in Kolkata is 5:30pm in Chittagong.
Kolkata
- The current local time in Kolkata is 1:39 pm (June 6, 2026)
- Kolkata is in the Indian Standard Time Zone
- The time zone offset for Kolkata, India, is UTC+05:30
Chittagong
- The current local time in Chittagong is 2:09 pm (June 6, 2026)
- The time zone offset for Chittagong, Bangladesh, is UTC+06:00
How to convert Kolkata time to Chittagong time?
Add 30 minutes to Kolkata time to get Chittagong time.
Time in Kolkata
00:00
Time in Chittagong
00:00
Use the slider above to convert Kolkata time to Chittagong 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 | Chittagong |
|---|---|
| 12am | 0:30am |
| 1am | 1:30am |
| 2am | 2:30am |
| 3am | 3:30am |
| 4am | 4:30am |
| 5am | 5:30am |
| 6am | 6:30am |
| 7am | 7:30am |
| 8am | 8:30am |
| 9am | 9:30am |
| 10am | 10:30am |
| 11am | 11:30am |
| 12pm | 12:30pm |
| 1pm | 1:30pm |
| 2pm | 2:30pm |
| 3pm | 3:30pm |
| 4pm | 4:30pm |
| 5pm | 5:30pm |
| 6pm | 6:30pm |
| 7pm | 7:30pm |
| 8pm | 8:30pm |
| 9pm | 9:30pm |
| 10pm | 10:30pm |
| 11pm | 11:30pm |
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