| Port Harcourt Klang | Malaysia Time | -07:00 |
| Port Harcourt Mendoza | Argentina Time | 04:00 |
| Port Harcourt Konya | Turkey Time | -02:00 |
| Port Harcourt Mbuji-Mayi | Central Africa Time | -01:00 |
| Port Harcourt Vijayawada | India Standard Time | -04:30 |
| Port Harcourt Pikine | Greenwich Mean Time | 01:00 |
| Port Harcourt Turin | Central European Time | -01:00 |
| Port Harcourt Mysore | India Standard Time | -04:30 |
| Port Harcourt Jacksonville | Eastern Time | 05:00 |
| Port Harcourt Wenzhou | China Time | -07:00 |
| Port Harcourt San Francisco | Pacific Time | 08:00 |
| Port Harcourt Liverpool | United Kingdom Time | 00:00 |
| Port Harcourt Saratov | Saratov Time | -03:00 |
| Port Harcourt Tegucigalpa | Central Time | 07:00 |
| Port Harcourt Bucheon-si | Korean Time | -08:00 |
| Port Harcourt Columbus | Eastern Time | 05:00 |
| Port Harcourt Voronezh | Moscow Time | -02:00 |
| Port Harcourt Ranchi | India Standard Time | -04:30 |
| Port Harcourt Naucalpan | Central Time | 06:00 |
| Port Harcourt Ulaanbaatar | Ulaanbaatar Time | -07:00 |
| Port Harcourt Takeo | Indochina Time | -06:00 |
| Port Harcourt Ahwaz | Iran Time | -03:30 |
| Port Harcourt Arequipa | Peru Time | 06:00 |
| Port Harcourt Padang | Western Indonesia Time | -06:00 |
| Port Harcourt Hubli | India Standard Time | -04:30 |
| Port Harcourt Marrakesh | Western European Time | 00:00 |
| Port Harcourt Denpasar | Central Indonesia Time | -07:00 |
| Port Harcourt Kampung Baru Subang | Malaysia Time | -07:00 |
| Port Harcourt Fort Worth | Central Time | 06:00 |
| Port Harcourt Indianapolis | Eastern Time | 05:00 |
| Port Harcourt Charlotte | Eastern Time | 05:00 |
| Port Harcourt Duque de Caxias | Brasilia Time | 04:00 |
| Port Harcourt Jos | West Africa Time | 00:00 |
| Port Harcourt Valencia | Central European Time | -01:00 |
| Port Harcourt Ilorin | West Africa Time | 00:00 |
| Port Harcourt Callao | Peru Time | 06:00 |
| Port Harcourt La Paz | Bolivia Time | 05:00 |
| Port Harcourt Ottawa | Eastern Time | 05:00 |
| Port Harcourt Barquisimeto | Venezuela Time | 05:00 |
| Port Harcourt Chihuahua | Mexican Pacific Time | 07:00 |
| Port Harcourt Nanning | China Time | -07:00 |
| Port Harcourt Freetown | Greenwich Mean Time | 01:00 |
| Port Harcourt Johor Bahru | Malaysia Time | -07:00 |
| Port Harcourt Jerusalem | Israel Time | -02:00 |
| Port Harcourt Bandar Lampung | Western Indonesia Time | -06:00 |
| Port Harcourt Bogor | Western Indonesia Time | -06:00 |
| Port Harcourt Mombasa | East Africa Time | -02:00 |
| Port Harcourt Cebu City | Philippine Time | -07:00 |
| Port Harcourt Muscat | Gulf Standard Time | -03:00 |
| Port Harcourt Zaporizhia | Eastern European Time | -02:00 |