| Fort Irwin Detroit | Eastern Time | -03:00 |
| Fort Irwin Matola | Central Africa Time | -09:00 |
| Fort Irwin Culiacán Rosales | Mexican Pacific Time | -01:00 |
| Fort Irwin Zaragoza | Central European Time | -09:00 |
| Fort Irwin Gorakhpur | India Standard Time | -12:30 |
| Fort Irwin Xiangtan | China Time | -15:00 |
| Fort Irwin Ipoh | Malaysia Time | -15:00 |
| Fort Irwin Mississauga | Eastern Time | -03:00 |
| Fort Irwin Boston | Eastern Time | -03:00 |
| Fort Irwin Puyang Chengguanzhen | China Time | -15:00 |
| Fort Irwin Nantong | China Time | -15:00 |
| Fort Irwin Mudanjiang | China Time | -15:00 |
| Fort Irwin Athens | Eastern European Time | -10:00 |
| Fort Irwin Santo André | Brasilia Time | -04:00 |
| Fort Irwin Nouakchott | Greenwich Mean Time | -07:00 |
| Fort Irwin Pointe-Noire | West Africa Time | -08:00 |
| Fort Irwin Aguascalientes | Central Time | -02:00 |
| Fort Irwin Memphis | Central Time | -02:00 |
| Fort Irwin Kryvyi Rih | Eastern European Time | -10:00 |
| Fort Irwin Acapulco | Central Time | -02:00 |
| Fort Irwin João Pessoa | Brasilia Time | -04:00 |
| Fort Irwin Ansan-si | Korean Time | -16:00 |
| Fort Irwin Benghazi | Eastern European Time | -09:00 |
| Fort Irwin Frankfurt | Central European Time | -09:00 |
| Fort Irwin Krasnodar | Moscow Time | -10:00 |
| Fort Irwin Guilin | China Time | -15:00 |
| Fort Irwin Palermo | Central European Time | -09:00 |
| Fort Irwin Colombo | India Standard Time | -12:30 |
| Fort Irwin Lilongwe | Central Africa Time | -09:00 |
| Fort Irwin Oran | Central European Time | -08:00 |
| Fort Irwin Diyarbakir | Turkey Time | -10:00 |
| Fort Irwin Taguig | Philippine Time | -15:00 |
| Fort Irwin New South Memphis | Central Time | -02:00 |
| Fort Irwin Ulyanovsk | Ulyanovsk Time | -11:00 |
| Fort Irwin Kotli | Pakistan Time | -12:00 |
| Fort Irwin Okayama | Japan Time | -16:00 |
| Fort Irwin Zhanjiang | China Time | -13:00 |
| Fort Irwin Ahmadi | Arabian Time | -10:00 |
| Fort Irwin Yogyakarta | Western Indonesia Time | -14:00 |
| Fort Irwin North York | Eastern Time | -03:00 |
| Fort Irwin Chișinău | Eastern European Time | -10:00 |
| Fort Irwin Wrocław | Central European Time | -09:00 |
| Fort Irwin Cheongju-si | Korean Time | -16:00 |
| Fort Irwin Anyang-si | Korean Time | -16:00 |
| Fort Irwin Tebessa | Central European Time | -08:00 |
| Fort Irwin Zhenjiang | China Time | -15:00 |
| Fort Irwin Portland | Pacific Time | 00:00 |
| Fort Irwin Winnipeg | Central Time | -02:00 |
| Fort Irwin Andong | China Time | -15:00 |
| Fort Irwin Oklahoma City | Central Time | -02:00 |