| Semnan Shanghai | China Time | -03:30 |
| Semnan Istanbul | Turkey Time | 01:30 |
| Semnan Buenos Aires | Argentina Time | 07:30 |
| Semnan Mumbai | India Standard Time | -01:00 |
| Semnan Mexico City | Central Time | 09:30 |
| Semnan Beijing | China Time | -03:30 |
| Semnan Karachi | Pakistan Time | -00:30 |
| Semnan Tianjin | China Time | -03:30 |
| Semnan Guangzhou | China Time | -03:30 |
| Semnan Delhi | India Standard Time | -01:00 |
| Semnan Moscow | Moscow Time | 01:30 |
| Semnan Shenzhen | China Time | -03:30 |
| Semnan Dhaka | Bangladesh Time | -01:30 |
| Semnan Seoul | Korean Time | -04:30 |
| Semnan São Paulo | Brasilia Time | 07:30 |
| Semnan Wuhan | China Time | -03:30 |
| Semnan Lagos | West Africa Time | 03:30 |
| Semnan Jakarta | Western Indonesia Time | -02:30 |
| Semnan Tokyo | Japan Time | -04:30 |
| Semnan New York | Eastern Time | 08:30 |
| Semnan Dongguan | China Time | -03:30 |
| Semnan Taipei | Taipei Time | -03:30 |
| Semnan Kinshasa | West Africa Time | 03:30 |
| Semnan Lima | Peru Time | 09:30 |
| Semnan Cairo | Eastern European Time | 02:30 |
| Semnan Bogotá | Colombia Time | 09:30 |
| Semnan London | United Kingdom Time | 03:30 |
| Semnan Chongqing | China Time | -03:30 |
| Semnan Chengdu | China Time | -03:30 |
| Semnan Baghdad | Arabian Time | 01:30 |
| Semnan Nanjing | China Time | -03:30 |
| Semnan Tehran | Iran Time | 00:00 |
| Semnan Nanchong | China Time | -03:30 |
| Semnan Hong Kong | Hong Kong Time | -03:30 |
| Semnan Hsi-an | China Time | -03:30 |
| Semnan Lahore | Pakistan Time | -00:30 |
| Semnan Shenyang | China Time | -03:30 |
| Semnan Hangzhou | China Time | -03:30 |
| Semnan Rio de Janeiro | Brasilia Time | 07:30 |
| Semnan Harbin | China Time | -03:30 |
| Semnan Tai’an | China Time | -03:30 |
| Semnan Suzhou | China Time | -03:30 |
| Semnan Shantou | China Time | -03:30 |
| Semnan Bangkok | Indochina Time | -02:30 |
| Semnan Bangalore | India Standard Time | -01:00 |
| Semnan Saint Petersburg | Moscow Time | 01:30 |
| Semnan Santiago | Chile Time | 08:30 |
| Semnan Kolkata | India Standard Time | -01:00 |
| Semnan Syd | Eastern Australia Time | -05:30 |
| Semnan Yangon | Myanmar Time | -02:00 |