| Okayama Qiqihar | China Time | 01:00 |
| Okayama Klang | Malaysia Time | 01:00 |
| Okayama Mendoza | Argentina Time | 12:00 |
| Okayama Konya | Turkey Time | 06:00 |
| Okayama Mbuji-Mayi | Central Africa Time | 07:00 |
| Okayama Vijayawada | India Standard Time | 03:30 |
| Okayama Pikine | Greenwich Mean Time | 09:00 |
| Okayama Turin | Central European Time | 08:00 |
| Okayama Mysore | India Standard Time | 03:30 |
| Okayama Jacksonville | Eastern Time | 14:00 |
| Okayama Wenzhou | China Time | 01:00 |
| Okayama San Francisco | Pacific Time | 17:00 |
| Okayama Liverpool | United Kingdom Time | 09:00 |
| Okayama Saratov | Saratov Time | 05:00 |
| Okayama Tegucigalpa | Central Time | 15:00 |
| Okayama Bucheon-si | Korean Time | 00:00 |
| Okayama Columbus | Eastern Time | 14:00 |
| Okayama Voronezh | Moscow Time | 06:00 |
| Okayama Ranchi | India Standard Time | 03:30 |
| Okayama Naucalpan | Central Time | 15:00 |
| Okayama Ulaanbaatar | Ulaanbaatar Time | 01:00 |
| Okayama Takeo | Indochina Time | 02:00 |
| Okayama Ahwaz | Iran Time | 05:30 |
| Okayama Arequipa | Peru Time | 14:00 |
| Okayama Padang | Western Indonesia Time | 02:00 |
| Okayama Hubli | India Standard Time | 03:30 |
| Okayama Marrakesh | Western European Time | 08:00 |
| Okayama Denpasar | Central Indonesia Time | 01:00 |
| Okayama Kampung Baru Subang | Malaysia Time | 01:00 |
| Okayama Fort Worth | Central Time | 15:00 |
| Okayama Indianapolis | Eastern Time | 14:00 |
| Okayama Charlotte | Eastern Time | 14:00 |
| Okayama Duque de Caxias | Brasilia Time | 12:00 |
| Okayama Jos | West Africa Time | 08:00 |
| Okayama Valencia | Central European Time | 08:00 |
| Okayama Ilorin | West Africa Time | 08:00 |
| Okayama Callao | Peru Time | 14:00 |
| Okayama La Paz | Bolivia Time | 13:00 |
| Okayama Ottawa | Eastern Time | 14:00 |
| Okayama Barquisimeto | Venezuela Time | 13:00 |
| Okayama Chihuahua | Mexican Pacific Time | 16:00 |
| Okayama Nanning | China Time | 01:00 |
| Okayama Freetown | Greenwich Mean Time | 09:00 |
| Okayama Johor Bahru | Malaysia Time | 01:00 |
| Okayama Jerusalem | Israel Time | 07:00 |
| Okayama Bandar Lampung | Western Indonesia Time | 02:00 |
| Okayama Bogor | Western Indonesia Time | 02:00 |
| Okayama Mombasa | East Africa Time | 06:00 |
| Okayama Cebu City | Philippine Time | 01:00 |
| Okayama Muscat | Gulf Standard Time | 05:00 |