| Port Harcourt Jixi | China Time | -07:00 |
| Port Harcourt Zanzibar | East Africa Time | -02:00 |
| Port Harcourt Tulsa | Central Time | 06:00 |
| Port Harcourt Taoyuan City | Taipei Time | -07:00 |
| Port Harcourt Tonalá | Central Time | 06:00 |
| Port Harcourt Kassala | Central Africa Time | -01:00 |
| Port Harcourt Palma | Central European Time | -01:00 |
| Port Harcourt Kitwe | Central Africa Time | -01:00 |
| Port Harcourt Nasiriyah | Arabian Time | -02:00 |
| Port Harcourt Tver | Moscow Time | -02:00 |
| Port Harcourt West Jerusalem | Israel Time | -02:00 |
| Port Harcourt Machida | Japan Time | -08:00 |
| Port Harcourt Yangjiang | China Time | -07:00 |
| Port Harcourt Khmelnytskyi | Eastern European Time | -02:00 |
| Port Harcourt Gifu | Japan Time | -08:00 |
| Port Harcourt Tiruppur | India Standard Time | -04:30 |
| Port Harcourt Keelung | Taipei Time | -07:00 |
| Port Harcourt El Hoceima | Western European Time | 00:00 |
| Port Harcourt Manchester | United Kingdom Time | 00:00 |
| Port Harcourt Surrey | Pacific Time | 08:00 |
| Port Harcourt Vila Velha | Brasilia Time | 04:00 |
| Port Harcourt Weifang | China Time | -07:00 |
| Port Harcourt Fujisawa | Japan Time | -08:00 |
| Port Harcourt Ndola | Central Africa Time | -01:00 |
| Port Harcourt Kollam | India Standard Time | -04:30 |
| Port Harcourt Serra | Brasilia Time | 04:00 |
| Port Harcourt Samsun | Turkey Time | -02:00 |
| Port Harcourt Tallinn | Eastern European Time | -02:00 |
| Port Harcourt Bamenda | West Africa Time | 00:00 |
| Port Harcourt El Obeid | Central Africa Time | -01:00 |
| Port Harcourt Bello | Colombia Time | 06:00 |
| Port Harcourt Xinpu | China Time | -07:00 |
| Port Harcourt Sandakan | Malaysia Time | -07:00 |
| Port Harcourt Buraydah | Arabian Time | -02:00 |
| Port Harcourt Kandahar | Afghanistan Time | -03:30 |
| Port Harcourt Diadema | Brasilia Time | 04:00 |
| Port Harcourt Wichita | Central Time | 06:00 |
| Port Harcourt New Orleans | Central Time | 06:00 |
| Port Harcourt Comilla | Bangladesh Time | -05:00 |
| Port Harcourt Samut Prakan | Indochina Time | -06:00 |
| Port Harcourt Nampula | Central Africa Time | -01:00 |
| Port Harcourt Arlington | Central Time | 06:00 |
| Port Harcourt Cleveland | Eastern Time | 05:00 |
| Port Harcourt Bissau | Greenwich Mean Time | 01:00 |
| Port Harcourt Iloilo City | Philippine Time | -07:00 |
| Port Harcourt Khamis Mushait | Arabian Time | -02:00 |
| Port Harcourt Campos | Brasilia Time | 04:00 |
| Port Harcourt Resistencia | Argentina Time | 04:00 |
| Port Harcourt Misrata | Eastern European Time | -01:00 |
| Port Harcourt Mauá | Brasilia Time | 04:00 |