| Okayama Zaporizhia | Eastern European Time | 07:00 |
| Okayama Marseille | Central European Time | 08:00 |
| Okayama Al Zarqa | Eastern European Time | 07:00 |
| Okayama Çankaya | Turkey Time | 06:00 |
| Okayama Boumerdas | Central European Time | 08:00 |
| Okayama Jalandhar | India Standard Time | 03:30 |
| Okayama Thiruvananthapuram | India Standard Time | 03:30 |
| Okayama Sakai | Japan Time | 00:00 |
| Okayama Anyang | China Time | 01:00 |
| Okayama San Miguel de Tucuman | Argentina Time | 12:00 |
| Okayama Cotonou | West Africa Time | 08:00 |
| Okayama Salem | India Standard Time | 03:30 |
| Okayama Tiruchirappalli | India Standard Time | 03:30 |
| Okayama Homs | Eastern European Time | 07:00 |
| Okayama Hohhot | China Time | 01:00 |
| Okayama Niamey | West Africa Time | 08:00 |
| Okayama Tainan City | Taipei Time | 01:00 |
| Okayama Shangyu | China Time | 01:00 |
| Okayama Łódź | Central European Time | 08:00 |
| Okayama Dammam | Arabian Time | 06:00 |
| Okayama Xining | China Time | 01:00 |
| Okayama Kahrīz | Iran Time | 05:30 |
| Okayama Kota | India Standard Time | 03:30 |
| Okayama Natal | Brasilia Time | 12:00 |
| Okayama Bhubaneshwar | India Standard Time | 03:30 |
| Okayama Qinhuangdao | China Time | 01:00 |
| Okayama Hengyang | China Time | 01:00 |
| Okayama Antalya | Turkey Time | 06:00 |
| Okayama Kraków | Central European Time | 08:00 |
| Okayama Aligarh | India Standard Time | 03:30 |
| Okayama Da Nang | Indochina Time | 02:00 |
| Okayama Pietermaritzburg | South Africa Standard Time | 07:00 |
| Okayama Lomé | Greenwich Mean Time | 09:00 |
| Okayama Trujillo | Peru Time | 14:00 |
| Okayama Malang | Western Indonesia Time | 02:00 |
| Okayama Ciudad Guayana | Venezuela Time | 13:00 |
| Okayama Bareilly | India Standard Time | 03:30 |
| Okayama Kigali | Central Africa Time | 07:00 |
| Okayama Teresina | Brasilia Time | 12:00 |
| Okayama Xinxiang | China Time | 01:00 |
| Okayama São Bernardo do Campo | Brasilia Time | 12:00 |
| Okayama Hegang | China Time | 01:00 |
| Okayama Rīga | Eastern European Time | 07:00 |
| Okayama Amsterdam | Central European Time | 08:00 |
| Okayama Oyo | West Africa Time | 08:00 |
| Okayama Quetta | Pakistan Time | 04:00 |
| Okayama Nottingham | United Kingdom Time | 09:00 |
| Okayama Campo Grande | Amazon Time | 13:00 |
| Okayama Ashgabat | Turkmenistan Time | 04:00 |
| Okayama Álvaro Obregón | Central Time | 15:00 |