| Fort Irwin Suginami | Japan Time | -16:00 |
| Fort Irwin Alcanar | Central European Time | -09:00 |
| Fort Irwin Laugarvatn | Greenwich Mean Time | -07:00 |
| Fort Irwin The Blue Mountains | Eastern Time | -03:00 |
| Fort Irwin Snohomish | Pacific Time | 00:00 |
| Fort Irwin Dawalwadi | India Standard Time | -12:30 |
| Fort Irwin Törökbálint | Central European Time | -09:00 |
| Fort Irwin Wynn Vale | Central Australia Time | -16:30 |
| Fort Irwin Smiths Falls | Eastern Time | -03:00 |
| Fort Irwin Alconaba | Central European Time | -09:00 |
| Fort Irwin Laughlin | Pacific Time | 00:00 |
| Fort Irwin The Junction | Eastern Australia Time | -17:00 |
| Fort Irwin Sneem | Ireland Time | -08:00 |
| Fort Irwin Davidson | Eastern Time | -03:00 |
| Fort Irwin Toronto | Eastern Time | -03:00 |
| Fort Irwin Wynnewood | Eastern Time | -03:00 |
| Fort Irwin Smethwick | United Kingdom Time | -08:00 |
| Fort Irwin Alcochete | Western European Time | -08:00 |
| Fort Irwin Laughlin Air Force Base | Central Time | -02:00 |
| Fort Irwin The Plains | Eastern Time | -03:00 |
| Fort Irwin Smithfield | Eastern Time | -03:00 |
| Fort Irwin Clonakilty | Ireland Time | -08:00 |
| Fort Irwin Torelló | Central European Time | -09:00 |
| Fort Irwin Wynyard | Eastern Australia Time | -17:00 |
| Fort Irwin Seaton Ross | United Kingdom Time | -08:00 |
| Fort Irwin Alexandria Bay | Eastern Time | -03:00 |
| Fort Irwin Torazo | Central European Time | -09:00 |
| Fort Irwin Strömstad | Central European Time | -09:00 |
| Fort Irwin Searsport | Eastern Time | -03:00 |
| Fort Irwin Clonmel | Ireland Time | -08:00 |
| Fort Irwin Toppenish | Pacific Time | 00:00 |
| Fort Irwin Woy Woy | Eastern Australia Time | -17:00 |
| Fort Irwin Sebastopol | Pacific Time | 00:00 |
| Fort Irwin Alenquer | Western European Time | -08:00 |
| Fort Irwin Topsham | United Kingdom Time | -08:00 |
| Fort Irwin Střílky | Central European Time | -09:00 |
| Fort Irwin Seattle | Pacific Time | 00:00 |
| Fort Irwin Clontarf | Ireland Time | -08:00 |
| Fort Irwin Tabio | Colombia Time | -02:00 |
| Fort Irwin Woods Cross | Mountain Time | -01:00 |
| Fort Irwin Seberang Jaya | Malaysia Time | -15:00 |
| Fort Irwin Alexander Heights | Western Australia Time | -15:00 |
| Fort Irwin Tacloban City | Philippine Time | -15:00 |
| Fort Irwin Stroudsburg | Eastern Time | -03:00 |
| Fort Irwin Seberang Perai | Malaysia Time | -15:00 |
| Fort Irwin Clyde | Eastern Australia Time | -17:00 |
| Fort Irwin Toowong | Eastern Australia Time | -17:00 |
| Fort Irwin Woodinville | Pacific Time | 00:00 |
| Fort Irwin Sechelt | Pacific Time | 00:00 |
| Fort Irwin Alfonso Lista | Philippine Time | -15:00 |