| Oyama Luanda | West Africa Time | 08:00 |
| Oyama Quezon City | Philippine Time | 01:00 |
| Oyama Addis Ababa | East Africa Time | 06:00 |
| Oyama Nairobi | East Africa Time | 06:00 |
| Oyama Chicago | Central Time | 14:00 |
| Oyama Salvador | Brasilia Time | 12:00 |
| Oyama Jaipur | India Standard Time | 03:30 |
| Oyama Dar es Salaam | East Africa Time | 06:00 |
| Oyama Lanzhou | China Time | 01:00 |
| Oyama Incheon | Korean Time | 00:00 |
| Oyama Yunfu | China Time | 01:00 |
| Oyama Basrah | Arabian Time | 06:00 |
| Oyama Navi Mumbai | India Standard Time | 03:30 |
| Oyama Toronto | Eastern Time | 13:00 |
| Oyama Osaka | Japan Time | 00:00 |
| Oyama Mogadishu | East Africa Time | 06:00 |
| Oyama Daegu | Korean Time | 00:00 |
| Oyama Faisalabad | Pakistan Time | 04:00 |
| Oyama Izmir | Turkey Time | 06:00 |
| Oyama Dakar | Greenwich Mean Time | 09:00 |
| Oyama Lucknow | India Standard Time | 03:30 |
| Oyama Giza | Eastern European Time | 07:00 |
| Oyama Fortaleza | Brasilia Time | 12:00 |
| Oyama Cali | Colombia Time | 14:00 |
| Oyama Surabaya | Western Indonesia Time | 02:00 |
| Oyama Belo Horizonte | Brasilia Time | 12:00 |
| Oyama Nanchang | China Time | 01:00 |
| Oyama Rome | Central European Time | 07:00 |
| Oyama Mashhad | Iran Time | 04:30 |
| Oyama Borough of Brooklyn | Eastern Time | 13:00 |
| Oyama Houston | Central Time | 14:00 |
| Oyama Queens | Eastern Time | 13:00 |
| Oyama Nagpur | India Standard Time | 03:30 |
| Oyama Maracaibo | Venezuela Time | 13:00 |
| Oyama Brasília | Brasilia Time | 12:00 |
| Oyama Santo Domingo | Atlantic Time | 13:00 |
| Oyama Nagoya | Japan Time | 00:00 |
| Oyama Brisbane | Eastern Australia Time | -01:00 |
| Oyama Havana | Cuba Time | 13:00 |
| Oyama Paris | Central European Time | 07:00 |
| Oyama Al Mawşil al Jadīdah | Arabian Time | 06:00 |
| Oyama Johannesburg | South Africa Standard Time | 07:00 |
| Oyama Kowloon | Hong Kong Time | 01:00 |
| Oyama Al Başrah al Qadīmah | Arabian Time | 06:00 |
| Oyama Almaty | East Kazakhstan Time | 03:00 |
| Oyama Medellin | Colombia Time | 14:00 |
| Oyama Tashkent | Uzbekistan Time | 04:00 |
| Oyama Algiers | Central European Time | 08:00 |
| Oyama Khartoum | Central Africa Time | 07:00 |
| Oyama Accra | Greenwich Mean Time | 09:00 |