| Fort Irwin Tadoussac | Eastern Time | -03:00 |
| Fort Irwin Hitzacker | Central European Time | -09:00 |
| Fort Irwin Murnau am Staffelsee | Central European Time | -09:00 |
| Fort Irwin Aiea | Hawaii-Aleutian Time | 03:00 |
| Fort Irwin Port Perry | Eastern Time | -03:00 |
| Fort Irwin Auderghem | Central European Time | -09:00 |
| Fort Irwin Peschiera del Garda | Central European Time | -09:00 |
| Fort Irwin Bad Bramstedt | Central European Time | -09:00 |
| Fort Irwin Tahoe City | Pacific Time | 00:00 |
| Fort Irwin Hochdorf | Central European Time | -09:00 |
| Fort Irwin Muro d'Alcoi | Central European Time | -09:00 |
| Fort Irwin Ankola | India Standard Time | -12:30 |
| Fort Irwin Port Richey | Eastern Time | -03:00 |
| Fort Irwin Auburn | Central Time | -02:00 |
| Fort Irwin Perranporth | United Kingdom Time | -08:00 |
| Fort Irwin Bad Breisig | Central European Time | -09:00 |
| Fort Irwin Tägerwilen | Central European Time | -09:00 |
| Fort Irwin Hokes Bluff | Central Time | -02:00 |
| Fort Irwin Murphys | Pacific Time | 00:00 |
| Fort Irwin Anna Maria | Eastern Time | -03:00 |
| Fort Irwin Port Severn | Eastern Time | -03:00 |
| Fort Irwin Auchenflower | Eastern Australia Time | -17:00 |
| Fort Irwin Permatang Pauh | Malaysia Time | -15:00 |
| Fort Irwin Bad Brückenau | Central European Time | -09:00 |
| Fort Irwin Somwarpet | India Standard Time | -12:30 |
| Fort Irwin Hokuto | Japan Time | -16:00 |
| Fort Irwin Murrells Inlet | Eastern Time | -03:00 |
| Fort Irwin Anna's Retreat | Atlantic Time | -03:00 |
| Fort Irwin Ramona | Pacific Time | 00:00 |
| Fort Irwin Aubergenville | Central European Time | -09:00 |
| Fort Irwin Pernes-les-Fontaines | Central European Time | -09:00 |
| Fort Irwin Bad Buchau | Central European Time | -09:00 |
| Fort Irwin Somerton | Mountain Time | 00:00 |
| Fort Irwin Holden Hill | Central Australia Time | -16:30 |
| Fort Irwin Murrumbateman | Eastern Australia Time | -17:00 |
| Fort Irwin Annandale | Eastern Australia Time | -17:00 |
| Fort Irwin Rampur Devrai | India Standard Time | -12:30 |
| Fort Irwin Attibele | India Standard Time | -12:30 |
| Fort Irwin Pergine Valsugana | Central European Time | -09:00 |
| Fort Irwin Bad Freienwalde | Central European Time | -09:00 |
| Fort Irwin Sommières | Central European Time | -09:00 |
| Fort Irwin Holdenville | Central Time | -02:00 |
| Fort Irwin Murten | Central European Time | -09:00 |
| Fort Irwin Anjuna | India Standard Time | -12:30 |
| Fort Irwin Ramsey | Eastern Time | -03:00 |
| Fort Irwin Attalla | Central Time | -02:00 |
| Fort Irwin Peru | Central Time | -02:00 |
| Fort Irwin Bad Friedrichshall | Central European Time | -09:00 |
| Fort Irwin Somogyvámos | Central European Time | -09:00 |
| Fort Irwin Holdorf | Central European Time | -09:00 |