| Fort Irwin Hsinchu | Taipei Time | -15:00 |
| Fort Irwin Jixi | China Time | -15:00 |
| Fort Irwin Zanzibar | East Africa Time | -10:00 |
| Fort Irwin Tulsa | Central Time | -02:00 |
| Fort Irwin Taoyuan City | Taipei Time | -15:00 |
| Fort Irwin Tonalá | Central Time | -02:00 |
| Fort Irwin Kassala | Central Africa Time | -09:00 |
| Fort Irwin Palma | Central European Time | -09:00 |
| Fort Irwin Kitwe | Central Africa Time | -09:00 |
| Fort Irwin Nasiriyah | Arabian Time | -10:00 |
| Fort Irwin Tver | Moscow Time | -10:00 |
| Fort Irwin West Jerusalem | Israel Time | -10:00 |
| Fort Irwin Machida | Japan Time | -16:00 |
| Fort Irwin Yangjiang | China Time | -15:00 |
| Fort Irwin Khmelnytskyi | Eastern European Time | -10:00 |
| Fort Irwin Gifu | Japan Time | -16:00 |
| Fort Irwin Tiruppur | India Standard Time | -12:30 |
| Fort Irwin Keelung | Taipei Time | -15:00 |
| Fort Irwin El Hoceima | Western European Time | -08:00 |
| Fort Irwin Manchester | United Kingdom Time | -08:00 |
| Fort Irwin Surrey | Pacific Time | 00:00 |
| Fort Irwin Vila Velha | Brasilia Time | -04:00 |
| Fort Irwin Weifang | China Time | -15:00 |
| Fort Irwin Fujisawa | Japan Time | -16:00 |
| Fort Irwin Ndola | Central Africa Time | -09:00 |
| Fort Irwin Kollam | India Standard Time | -12:30 |
| Fort Irwin Serra | Brasilia Time | -04:00 |
| Fort Irwin Samsun | Turkey Time | -10:00 |
| Fort Irwin Tallinn | Eastern European Time | -10:00 |
| Fort Irwin Bamenda | West Africa Time | -08:00 |
| Fort Irwin El Obeid | Central Africa Time | -09:00 |
| Fort Irwin Bello | Colombia Time | -02:00 |
| Fort Irwin Xinpu | China Time | -15:00 |
| Fort Irwin Sandakan | Malaysia Time | -15:00 |
| Fort Irwin Buraydah | Arabian Time | -10:00 |
| Fort Irwin Kandahar | Afghanistan Time | -11:30 |
| Fort Irwin Diadema | Brasilia Time | -04:00 |
| Fort Irwin Wichita | Central Time | -02:00 |
| Fort Irwin New Orleans | Central Time | -02:00 |
| Fort Irwin Comilla | Bangladesh Time | -13:00 |
| Fort Irwin Samut Prakan | Indochina Time | -14:00 |
| Fort Irwin Nampula | Central Africa Time | -09:00 |
| Fort Irwin Arlington | Central Time | -02:00 |
| Fort Irwin Cleveland | Eastern Time | -03:00 |
| Fort Irwin Bissau | Greenwich Mean Time | -07:00 |
| Fort Irwin Iloilo City | Philippine Time | -15:00 |
| Fort Irwin Khamis Mushait | Arabian Time | -10:00 |
| Fort Irwin Campos | Brasilia Time | -04:00 |
| Fort Irwin Resistencia | Argentina Time | -04:00 |
| Fort Irwin Misrata | Eastern European Time | -09:00 |