| Port Harcourt Bir Ali Ben Khlifa | Central European Time | 00:00 |
| Port Harcourt Raf Raf | Central European Time | 00:00 |
| Port Harcourt Cottage Grove | Pacific Time | 08:00 |
| Port Harcourt Morrisburg | Eastern Time | 05:00 |
| Port Harcourt Bir Tam Tam | Western European Time | 00:00 |
| Port Harcourt Shimogyo Ward | Japan Time | -08:00 |
| Port Harcourt Cotgrave | United Kingdom Time | 00:00 |
| Port Harcourt Sulina | Eastern European Time | -02:00 |
| Port Harcourt Birch Run | Eastern Time | 05:00 |
| Port Harcourt Rahim Yar Khan | Pakistan Time | -04:00 |
| Port Harcourt Cotati | Pacific Time | 08:00 |
| Port Harcourt Morningside | Eastern Australia Time | -09:00 |
| Port Harcourt Birmingham | United Kingdom Time | 00:00 |
| Port Harcourt Sturbridge | Eastern Time | 05:00 |
| Port Harcourt Court-St.-Etienne | Central European Time | -01:00 |
| Port Harcourt Sujapur | India Standard Time | -04:30 |
| Port Harcourt Birmingham | United Kingdom Time | 00:00 |
| Port Harcourt Rahovic | Central European Time | -01:00 |
| Port Harcourt Courthézon | Central European Time | -01:00 |
| Port Harcourt Morges | Central European Time | -01:00 |
| Port Harcourt Birkdale | Eastern Australia Time | -09:00 |
| Port Harcourt Sturgis | Mountain Time | 07:00 |
| Port Harcourt Cova da Piedade | Western European Time | 00:00 |
| Port Harcourt Suitland-Silver Hill | Eastern Time | 05:00 |
| Port Harcourt Birkenau | Central European Time | -01:00 |
| Port Harcourt Rainsville | Central Time | 06:00 |
| Port Harcourt Coulter | United Kingdom Time | 00:00 |
| Port Harcourt Morley | Western Australia Time | -07:00 |
| Port Harcourt Birkenfeld | Central European Time | -01:00 |
| Port Harcourt Štúrovo | Central European Time | -01:00 |
| Port Harcourt Courmayeur | Central European Time | -01:00 |
| Port Harcourt Thapma | Indochina Time | -06:00 |
| Port Harcourt Bisbee | Mountain Time | 08:00 |
| Port Harcourt Rajosana | India Standard Time | -04:30 |
| Port Harcourt Covington | Central Time | 06:00 |
| Port Harcourt Mormoiron | Central European Time | -01:00 |
| Port Harcourt Biroda | India Standard Time | -04:30 |
| Port Harcourt Street | United Kingdom Time | 00:00 |
| Port Harcourt Cowaramup | Western Australia Time | -07:00 |
| Port Harcourt Tharston | United Kingdom Time | 00:00 |
| Port Harcourt Bissone | Central European Time | -01:00 |
| Port Harcourt Rakovica | Central European Time | -01:00 |
| Port Harcourt Cozumel | Eastern Time | 06:00 |
| Port Harcourt Moraira | Central European Time | -01:00 |
| Port Harcourt Butler | Eastern Time | 05:00 |
| Port Harcourt Strassen | Central European Time | -01:00 |
| Port Harcourt Cramlington | United Kingdom Time | 00:00 |
| Port Harcourt Thaxted | United Kingdom Time | 00:00 |
| Port Harcourt Buttlar | Central European Time | -01:00 |
| Port Harcourt Rajadewali | Pakistan Time | -04:00 |