| Itaboraí Waite Park | Central Time | 02:00 |
| Itaboraí Zahara de los Atunes | Central European Time | -05:00 |
| Itaboraí Waitomo | New Zealand Time | -15:00 |
| Itaboraí Yvoir | Central European Time | -05:00 |
| Itaboraí Waitsfield | Eastern Time | 01:00 |
| Itaboraí Yzeure | Central European Time | -05:00 |
| Itaboraí Walchwil | Central European Time | -05:00 |
| Itaboraí Yunquera de Henares | Central European Time | -05:00 |
| Itaboraí Xiangxi | China Time | -11:00 |
| Itaboraí Yuo | West Africa Time | -04:00 |
| Itaboraí Xuchang | China Time | -11:00 |
| Itaboraí Watertown | Eastern Time | 01:00 |
| Itaboraí Xuzhou | China Time | -11:00 |
| Itaboraí Watkins Glen | Eastern Time | 01:00 |
| Itaboraí Yaliyuru | India Standard Time | -08:30 |
| Itaboraí Watkinsville | Eastern Time | 01:00 |
| Itaboraí Yallabatharra | Western Australia Time | -11:00 |
| Itaboraí Watson | Eastern Australia Time | -13:00 |
| Itaboraí Yallambie | Eastern Australia Time | -13:00 |
| Itaboraí Wasserburg am Inn | Central European Time | -05:00 |
| Itaboraí Washington | Eastern Time | 01:00 |
| Itaboraí Washington | Eastern Time | 01:00 |
| Itaboraí Wasilla | Alaska Time | 05:00 |
| Itaboraí Waterloo | United Kingdom Time | -04:00 |
| Itaboraí Waterford | Eastern Australia Time | -13:00 |
| Itaboraí Waterford Township | Eastern Time | 01:00 |
| Itaboraí Wavre | Central European Time | -05:00 |
| Itaboraí Wattwil | Central European Time | -05:00 |
| Itaboraí Wauchope | Eastern Australia Time | -13:00 |
| Itaboraí Waverley | Eastern Australia Time | -13:00 |
| Itaboraí Waupaca | Central Time | 02:00 |
| Itaboraí Wayne | Eastern Time | 01:00 |
| Itaboraí Waynesville | Eastern Time | 01:00 |
| Itaboraí Wayville | Central Australia Time | -12:30 |
| Itaboraí Wayzata | Central Time | 02:00 |
| Itaboraí Weaverville | Pacific Time | 04:00 |
| Itaboraí Webbers Falls | Central Time | 02:00 |
| Itaboraí Webster | Central Time | 02:00 |