| Fort Irwin Malibu | Pacific Time | 00:00 |
| Fort Irwin Wohratal | Central European Time | -09:00 |
| Fort Irwin Teriang | Malaysia Time | -15:00 |
| Fort Irwin Aubergenville | Central European Time | -09:00 |
| Fort Irwin Maleny | Eastern Australia Time | -17:00 |
| Fort Irwin Wivenhoe | United Kingdom Time | -08:00 |
| Fort Irwin Tenala | Eastern European Time | -10:00 |
| Fort Irwin Attibele | India Standard Time | -12:30 |
| Fort Irwin Maldon | Eastern Australia Time | -17:00 |
| Fort Irwin Wittenberg | Central European Time | -09:00 |
| Fort Irwin Tenali | India Standard Time | -12:30 |
| Fort Irwin Aviano | Central European Time | -09:00 |
| Fort Irwin Malalbergo | Central European Time | -09:00 |
| Fort Irwin Winton | New Zealand Time | -19:00 |
| Fort Irwin Templestowe | Eastern Australia Time | -17:00 |
| Fort Irwin Avihayil | Israel Time | -10:00 |
| Fort Irwin Malay | Philippine Time | -15:00 |
| Fort Irwin Wisconsin Dells | Central Time | -02:00 |
| Fort Irwin Templeton | Pacific Time | 00:00 |
| Fort Irwin Barjols | Central European Time | -09:00 |
| Fort Irwin Lillois-Witterzée | Central European Time | -09:00 |
| Fort Irwin Wirksworth | United Kingdom Time | -08:00 |
| Fort Irwin Sunshine | Eastern Australia Time | -17:00 |
| Fort Irwin Barnagar | India Standard Time | -12:30 |
| Fort Irwin Limbourg | Central European Time | -09:00 |
| Fort Irwin Wirsberg | Central European Time | -09:00 |
| Fort Irwin Sunrise | Eastern Time | -03:00 |
| Fort Irwin Barns Green | United Kingdom Time | -08:00 |
| Fort Irwin Limburg | Central European Time | -09:00 |
| Fort Irwin Winterville | Eastern Time | -03:00 |
| Fort Irwin Surfside | Eastern Time | -03:00 |
| Fort Irwin Barnstable | Eastern Time | -03:00 |
| Fort Irwin Limerick | Ireland Time | -08:00 |
| Fort Irwin Woodcroft | Central Australia Time | -16:30 |
| Fort Irwin Sussex | Atlantic Time | -04:00 |
| Fort Irwin Barnard Castle | United Kingdom Time | -08:00 |
| Fort Irwin Lince | Peru Time | -02:00 |
| Fort Irwin Woodbridge | Eastern Time | -03:00 |
| Fort Irwin Suruttapalli | India Standard Time | -12:30 |
| Fort Irwin Avathanapatti | India Standard Time | -12:30 |
| Fort Irwin Kumily | India Standard Time | -12:30 |
| Fort Irwin Woodbridge Township | Eastern Time | -03:00 |
| Fort Irwin Surquillo | Peru Time | -02:00 |
| Fort Irwin Avebury | United Kingdom Time | -08:00 |
| Fort Irwin Kundapur | India Standard Time | -12:30 |
| Fort Irwin Aveley | Western Australia Time | -15:00 |
| Fort Irwin Surry Hills | Eastern Australia Time | -17:00 |
| Fort Irwin Avalon | Pacific Time | 00:00 |
| Fort Irwin Lierneux | Central European Time | -09:00 |
| Fort Irwin Australia Landing | Central Time | -02:00 |