| Hai Phong Luanda | West Africa Time | 06:00 |
| Hai Phong Quezon City | Philippine Time | -01:00 |
| Hai Phong Addis Ababa | East Africa Time | 04:00 |
| Hai Phong Nairobi | East Africa Time | 04:00 |
| Hai Phong Chicago | Central Time | 12:00 |
| Hai Phong Salvador | Brasilia Time | 10:00 |
| Hai Phong Jaipur | India Standard Time | 01:30 |
| Hai Phong Dar es Salaam | East Africa Time | 04:00 |
| Hai Phong Lanzhou | China Time | -01:00 |
| Hai Phong Incheon | Korean Time | -02:00 |
| Hai Phong Yunfu | China Time | -01:00 |
| Hai Phong Toronto | Eastern Time | 11:00 |
| Hai Phong Navi Mumbai | India Standard Time | 01:30 |
| Hai Phong Basrah | Arabian Time | 04:00 |
| Hai Phong Osaka | Japan Time | -02:00 |
| Hai Phong Mogadishu | East Africa Time | 04:00 |
| Hai Phong Daegu | Korean Time | -02:00 |
| Hai Phong Faisalabad | Pakistan Time | 02:00 |
| Hai Phong Izmir | Turkey Time | 04:00 |
| Hai Phong Dakar | Greenwich Mean Time | 07:00 |
| Hai Phong Lucknow | India Standard Time | 01:30 |
| Hai Phong Giza | Eastern European Time | 05:00 |
| Hai Phong Fortaleza | Brasilia Time | 10:00 |
| Hai Phong Cali | Colombia Time | 12:00 |
| Hai Phong Surabaya | Western Indonesia Time | 00:00 |
| Hai Phong Belo Horizonte | Brasilia Time | 10:00 |
| Hai Phong Nanchang | China Time | -01:00 |
| Hai Phong Rome | Central European Time | 05:00 |
| Hai Phong Mashhad | Iran Time | 02:30 |
| Hai Phong Borough of Brooklyn | Eastern Time | 11:00 |
| Hai Phong Houston | Central Time | 12:00 |
| Hai Phong Queens | Eastern Time | 11:00 |
| Hai Phong Nagpur | India Standard Time | 01:30 |
| Hai Phong Maracaibo | Venezuela Time | 11:00 |
| Hai Phong Brasília | Brasilia Time | 10:00 |
| Hai Phong Santo Domingo | Atlantic Time | 11:00 |
| Hai Phong Nagoya | Japan Time | -02:00 |
| Hai Phong Brisbane | Eastern Australia Time | -03:00 |
| Hai Phong Havana | Cuba Time | 11:00 |
| Hai Phong Paris | Central European Time | 05:00 |
| Hai Phong Al Mawşil al Jadīdah | Arabian Time | 04:00 |
| Hai Phong Johannesburg | South Africa Standard Time | 05:00 |
| Hai Phong Kowloon | Hong Kong Time | -01:00 |
| Hai Phong Al Başrah al Qadīmah | Arabian Time | 04:00 |
| Hai Phong Almaty | East Kazakhstan Time | 01:00 |
| Hai Phong Medellin | Colombia Time | 12:00 |
| Hai Phong Tashkent | Uzbekistan Time | 02:00 |
| Hai Phong Algiers | Central European Time | 06:00 |
| Hai Phong Khartoum | Central Africa Time | 05:00 |
| Hai Phong Accra | Greenwich Mean Time | 07:00 |