| Irvington Zürs | Central European Time | -06:00 |
| Irvington København | Central European Time | -06:00 |
| Irvington Zwingenberg | Central European Time | -06:00 |
| Irvington Story City | Central Time | 01:00 |
| Irvington Zweisimmen | Central European Time | -06:00 |
| Irvington København | Central European Time | -06:00 |
| Irvington Zwiefalten | Central European Time | -06:00 |
| Irvington Stowe | Eastern Time | 00:00 |
| Irvington Keaau | Hawaii-Aleutian Time | 06:00 |
| Irvington Stirling | Mountain Time | 02:00 |
| Irvington Kelibia | Central European Time | -05:00 |
| Irvington Stonington | Eastern Time | 00:00 |
| Irvington Kelmarsh | United Kingdom Time | -05:00 |
| Irvington Stony Plain | Mountain Time | 02:00 |
| Irvington Kemberg | Central European Time | -06:00 |
| Irvington Stonyfell | Central Australia Time | -13:30 |
| Irvington Kemptville | Eastern Time | 00:00 |
| Irvington Stone Harbor | Eastern Time | 00:00 |
| Irvington Kelantan | Western Indonesia Time | -11:00 |
| Irvington Stone Mountain | Eastern Time | 00:00 |
| Irvington Kelawade | India Standard Time | -09:30 |
| Irvington Stonegate | United Kingdom Time | -05:00 |
| Irvington Kelshi | India Standard Time | -09:30 |
| Irvington Stroudsburg | Eastern Time | 00:00 |
| Irvington Kelso | Eastern Australia Time | -14:00 |
| Irvington Sturbridge | Eastern Time | 00:00 |
| Irvington Kelso | United Kingdom Time | -05:00 |
| Irvington Sturgis | Mountain Time | 02:00 |
| Irvington Kelsterbach | Central European Time | -06:00 |
| Irvington Štúrovo | Central European Time | -06:00 |
| Irvington Kelston | United Kingdom Time | -05:00 |
| Irvington Street | United Kingdom Time | -05:00 |
| Irvington Kelvin Grove | Eastern Australia Time | -14:00 |
| Irvington Strömstad | Central European Time | -06:00 |
| Irvington Kemah | Central Time | 01:00 |
| Irvington Střílky | Central European Time | -06:00 |
| Irvington Strassen | Central European Time | -06:00 |
| Irvington Stratham | Eastern Time | 00:00 |