| Kolkata Shanghai | China Time | -02:30 |
| Kolkata Istanbul | Turkey Time | 02:30 |
| Kolkata Buenos Aires | Argentina Time | 08:30 |
| Kolkata Mumbai | India Standard Time | 00:00 |
| Kolkata Mexico City | Central Time | 11:30 |
| Kolkata Beijing | China Time | -02:30 |
| Kolkata Karachi | Pakistan Time | 00:30 |
| Kolkata Tianjin | China Time | -02:30 |
| Kolkata Guangzhou | China Time | -02:30 |
| Kolkata Delhi | India Standard Time | 00:00 |
| Kolkata Moscow | Moscow Time | 02:30 |
| Kolkata Shenzhen | China Time | -02:30 |
| Kolkata Dhaka | Bangladesh Time | -00:30 |
| Kolkata Seoul | Korean Time | -03:30 |
| Kolkata São Paulo | Brasilia Time | 08:30 |
| Kolkata Wuhan | China Time | -02:30 |
| Kolkata Lagos | West Africa Time | 04:30 |
| Kolkata Jakarta | Western Indonesia Time | -01:30 |
| Kolkata Tokyo | Japan Time | -03:30 |
| Kolkata New York | Eastern Time | 10:30 |
| Kolkata Dongguan | China Time | -02:30 |
| Kolkata Taipei | Taipei Time | -02:30 |
| Kolkata Kinshasa | West Africa Time | 04:30 |
| Kolkata Lima | Peru Time | 10:30 |
| Kolkata Cairo | Eastern European Time | 03:30 |
| Kolkata Bogotá | Colombia Time | 10:30 |
| Kolkata London | United Kingdom Time | 05:30 |
| Kolkata Chongqing | China Time | -02:30 |
| Kolkata Chengdu | China Time | -02:30 |
| Kolkata Baghdad | Arabian Time | 02:30 |
| Kolkata Nanjing | China Time | -02:30 |
| Kolkata Tehran | Iran Time | 02:00 |
| Kolkata Nanchong | China Time | -02:30 |
| Kolkata Hong Kong | Hong Kong Time | -02:30 |
| Kolkata Hsi-an | China Time | -02:30 |
| Kolkata Lahore | Pakistan Time | 00:30 |
| Kolkata Shenyang | China Time | -02:30 |
| Kolkata Hangzhou | China Time | -02:30 |
| Kolkata Rio de Janeiro | Brasilia Time | 08:30 |
| Kolkata Harbin | China Time | -02:30 |
| Kolkata Tai’an | China Time | -02:30 |
| Kolkata Suzhou | China Time | -02:30 |
| Kolkata Shantou | China Time | -02:30 |
| Kolkata Bangkok | Indochina Time | -01:30 |
| Kolkata Bangalore | India Standard Time | 00:00 |
| Kolkata Saint Petersburg | Moscow Time | 02:30 |
| Kolkata Santiago | Chile Time | 08:30 |
| Kolkata Syd | Eastern Australia Time | -05:30 |
| Kolkata Yangon | Myanmar Time | -01:00 |
| Kolkata Jinan | China Time | -02:30 |