| Oyama Goiânia | Brasilia Time | 12:00 |
| Oyama Guarulhos | Brasilia Time | 12:00 |
| Oyama Prague | Central European Time | 07:00 |
| Oyama Varanasi | India Standard Time | 03:30 |
| Oyama Copenhagen | Central European Time | 07:00 |
| Oyama Sofia | Eastern European Time | 06:00 |
| Oyama Tripoli | Eastern European Time | 07:00 |
| Oyama Port Harcourt | West Africa Time | 08:00 |
| Oyama Hiroshima | Japan Time | 00:00 |
| Oyama Lijiang | China Time | 01:00 |
| Oyama Dubai | Gulf Standard Time | 05:00 |
| Oyama Samara | Samara Time | 05:00 |
| Oyama Omsk | Omsk Time | 03:00 |
| Oyama Benin City | West Africa Time | 08:00 |
| Oyama Monterrey | Central Time | 14:00 |
| Oyama Malingao | Philippine Time | 01:00 |
| Oyama Baku | Azerbaijan Time | 05:00 |
| Oyama Leon | Central Time | 14:00 |
| Oyama Maiduguri | West Africa Time | 08:00 |
| Oyama Kazan | Moscow Time | 06:00 |
| Oyama Yerevan | Armenia Time | 05:00 |
| Oyama Amritsar | India Standard Time | 03:30 |
| Oyama Ouagadougou | Greenwich Mean Time | 09:00 |
| Oyama Yono | Japan Time | 00:00 |
| Oyama Rostov-on-Don | Moscow Time | 06:00 |
| Oyama Allahabad | India Standard Time | 03:30 |
| Oyama Goyang-si | Korean Time | 00:00 |
| Oyama Gaziantep | Turkey Time | 06:00 |
| Oyama Visakhapatnam | India Standard Time | 03:30 |
| Oyama Sendai | Japan Time | 00:00 |
| Oyama Chelyabinsk | Yekaterinburg Time | 04:00 |
| Oyama Datong | China Time | 01:00 |
| Oyama Tbilisi | Georgia Time | 05:00 |
| Oyama Changshu City | China Time | 01:00 |
| Oyama Taichung | Taipei Time | 01:00 |
| Oyama Theni | India Standard Time | 03:30 |
| Oyama Xianyang | China Time | 01:00 |
| Oyama Ufa | Yekaterinburg Time | 04:00 |
| Oyama Dnepropetrovsk | Eastern European Time | 06:00 |
| Oyama Seongnam-si | Korean Time | 00:00 |
| Oyama Campinas | Brasilia Time | 12:00 |
| Oyama Jabalpur | India Standard Time | 03:30 |
| Oyama Howrah | India Standard Time | 03:30 |
| Oyama Huainan | China Time | 01:00 |
| Oyama San Jose | Pacific Time | 16:00 |
| Oyama Donetsk | Eastern European Time | 06:00 |
| Oyama Dublin | Ireland Time | 08:00 |
| Oyama Calgary | Mountain Time | 15:00 |
| Oyama Brussels | Central European Time | 07:00 |
| Oyama Aurangabad | India Standard Time | 03:30 |