| Fort Irwin Ciudad Perico | Argentina Time | -04:00 |
| Fort Irwin Mumbai | India Standard Time | -12:30 |
| Fort Irwin Kajang | Malaysia Time | -15:00 |
| Fort Irwin Oosterbeek | Central European Time | -09:00 |
| Fort Irwin Thousand Palms | Pacific Time | 00:00 |
| Fort Irwin Chukai | Malaysia Time | -15:00 |
| Fort Irwin Ruka | Eastern European Time | -10:00 |
| Fort Irwin Bourg-en-Lavaux | Central European Time | -09:00 |
| Fort Irwin Ciudad Mendoza | Central Time | -02:00 |
| Fort Irwin Mumbai | India Standard Time | -12:30 |
| Fort Irwin Helmsley | United Kingdom Time | -08:00 |
| Fort Irwin Onhaye | Central European Time | -09:00 |
| Fort Irwin Thornbury | United Kingdom Time | -08:00 |
| Fort Irwin Christies Beach | Central Australia Time | -16:30 |
| Fort Irwin Rümlang | Central European Time | -09:00 |
| Fort Irwin Bourdeau | Central European Time | -09:00 |
| Fort Irwin Ciudad Merliot | Central Time | -01:00 |
| Fort Irwin Milton | Central Time | -02:00 |
| Fort Irwin Ilavala Hobli | India Standard Time | -12:30 |
| Fort Irwin Onești | Eastern European Time | -10:00 |
| Fort Irwin Thornleigh | Eastern Australia Time | -17:00 |
| Fort Irwin Chryston | United Kingdom Time | -08:00 |
| Fort Irwin Ramsey | Eastern Time | -03:00 |
| Fort Irwin Bourbon | Central Time | -02:00 |
| Fort Irwin Carhaix-Plouguer | Central European Time | -09:00 |
| Fort Irwin Milton | Eastern Australia Time | -17:00 |
| Fort Irwin Ikšķile | Eastern European Time | -10:00 |
| Fort Irwin Ondara | Central European Time | -09:00 |
| Fort Irwin Thornton | Eastern Time | -03:00 |
| Fort Irwin Chuo | Japan Time | -16:00 |
| Fort Irwin Rampur Devrai | India Standard Time | -12:30 |
| Fort Irwin Boumalne Dades | Western European Time | -08:00 |
| Fort Irwin Carle Place | Eastern Time | -03:00 |
| Fort Irwin Minami Ward | Japan Time | -16:00 |
| Fort Irwin Iligan City | Philippine Time | -15:00 |
| Fort Irwin Pukalani | Hawaii-Aleutian Time | 03:00 |
| Fort Irwin Tianjin | China Time | -15:00 |
| Fort Irwin Cimadolmo | Central European Time | -09:00 |
| Fort Irwin Ranakpur | India Standard Time | -12:30 |
| Fort Irwin Box Hill | Eastern Australia Time | -17:00 |
| Fort Irwin Carleton Place | Eastern Time | -03:00 |
| Fort Irwin Millwood | Eastern Time | -03:00 |
| Fort Irwin Ileret | East Africa Time | -10:00 |
| Fort Irwin Pukekohe | New Zealand Time | -19:00 |
| Fort Irwin Thurso | United Kingdom Time | -08:00 |
| Fort Irwin Ciney | Central European Time | -09:00 |
| Fort Irwin Ramstein-Miesenbach | Central European Time | -09:00 |
| Fort Irwin Box Hill South | Eastern Australia Time | -17:00 |
| Fort Irwin Carlin | Pacific Time | 00:00 |
| Fort Irwin Milnrow | United Kingdom Time | -08:00 |