| Semnan Hsinchu | Taipei Time | -03:30 |
| Semnan Jixi | China Time | -03:30 |
| Semnan Zanzibar | East Africa Time | 01:30 |
| Semnan Tulsa | Central Time | 09:30 |
| Semnan Taoyuan City | Taipei Time | -03:30 |
| Semnan Tonalá | Central Time | 09:30 |
| Semnan Kassala | Central Africa Time | 02:30 |
| Semnan Palma | Central European Time | 02:30 |
| Semnan Kitwe | Central Africa Time | 02:30 |
| Semnan Nasiriyah | Arabian Time | 01:30 |
| Semnan Tver | Moscow Time | 01:30 |
| Semnan West Jerusalem | Israel Time | 01:30 |
| Semnan Machida | Japan Time | -04:30 |
| Semnan Yangjiang | China Time | -03:30 |
| Semnan Khmelnytskyi | Eastern European Time | 01:30 |
| Semnan Gifu | Japan Time | -04:30 |
| Semnan Tiruppur | India Standard Time | -01:00 |
| Semnan Keelung | Taipei Time | -03:30 |
| Semnan El Hoceima | Western European Time | 03:30 |
| Semnan Manchester | United Kingdom Time | 03:30 |
| Semnan Surrey | Pacific Time | 11:30 |
| Semnan Vila Velha | Brasilia Time | 07:30 |
| Semnan Weifang | China Time | -03:30 |
| Semnan Fujisawa | Japan Time | -04:30 |
| Semnan Ndola | Central Africa Time | 02:30 |
| Semnan Kollam | India Standard Time | -01:00 |
| Semnan Serra | Brasilia Time | 07:30 |
| Semnan Samsun | Turkey Time | 01:30 |
| Semnan Tallinn | Eastern European Time | 01:30 |
| Semnan Bamenda | West Africa Time | 03:30 |
| Semnan El Obeid | Central Africa Time | 02:30 |
| Semnan Bello | Colombia Time | 09:30 |
| Semnan Xinpu | China Time | -03:30 |
| Semnan Sandakan | Malaysia Time | -03:30 |
| Semnan Buraydah | Arabian Time | 01:30 |
| Semnan Kandahar | Afghanistan Time | 00:00 |
| Semnan Diadema | Brasilia Time | 07:30 |
| Semnan Wichita | Central Time | 09:30 |
| Semnan New Orleans | Central Time | 09:30 |
| Semnan Comilla | Bangladesh Time | -01:30 |
| Semnan Samut Prakan | Indochina Time | -02:30 |
| Semnan Nampula | Central Africa Time | 02:30 |
| Semnan Arlington | Central Time | 09:30 |
| Semnan Cleveland | Eastern Time | 08:30 |
| Semnan Bissau | Greenwich Mean Time | 04:30 |
| Semnan Iloilo City | Philippine Time | -03:30 |
| Semnan Khamis Mushait | Arabian Time | 01:30 |
| Semnan Campos | Brasilia Time | 07:30 |
| Semnan Resistencia | Argentina Time | 07:30 |
| Semnan Misrata | Eastern European Time | 02:30 |