| Uttwil Solrød | Central European Time | 00:00 |
| Uttwil Whiteman Air Force Base | Central Time | 07:00 |
| Uttwil Sóller | Central European Time | 00:00 |
| Uttwil Whitesboro | Eastern Time | 06:00 |
| Uttwil Söll | Central European Time | 00:00 |
| Uttwil Whiteville | Eastern Time | 06:00 |
| Uttwil Solana Beach | Pacific Time | 09:00 |
| Uttwil Whitewater | Central Time | 07:00 |
| Uttwil Summerside | Atlantic Time | 05:00 |
| Uttwil Whitby | United Kingdom Time | 01:00 |
| Uttwil Sumida | Japan Time | -07:00 |
| Uttwil Whitby | Eastern Time | 06:00 |
| Uttwil Summerland | Pacific Time | 09:00 |
| Uttwil Whitchurch | United Kingdom Time | 01:00 |
| Uttwil Sulina | Eastern European Time | -01:00 |
| Uttwil White City | Pacific Time | 09:00 |
| Uttwil Sultan Bathery | India Standard Time | -03:30 |
| Uttwil White Hall | Central Time | 07:00 |
| Uttwil Sullivan | Central Time | 07:00 |
| Uttwil White Lake charter Township | Eastern Time | 06:00 |
| Uttwil Sullivan City | Central Time | 07:00 |
| Uttwil Wheatley | Central Time | 07:00 |
| Uttwil Sullivan's Island | Eastern Time | 06:00 |
| Uttwil Wheaton-Glenmont | Eastern Time | 06:00 |
| Uttwil Suitland-Silver Hill | Eastern Time | 06:00 |
| Uttwil Wetzikon | Central European Time | 00:00 |
| Uttwil Sujapur | India Standard Time | -03:30 |
| Uttwil Wexford | Ireland Time | 01:00 |
| Uttwil Whalley | United Kingdom Time | 01:00 |
| Uttwil Whanganui | New Zealand Time | -10:00 |
| Uttwil Wexford | Eastern Time | 06:00 |
| Uttwil Westmead | Eastern Australia Time | -08:00 |
| Uttwil Westville | South Africa Standard Time | 00:00 |
| Uttwil Wetaskiwin | Mountain Time | 08:00 |
| Uttwil Wetherill Park | Eastern Australia Time | -08:00 |
| Uttwil Weston Subedge | United Kingdom Time | 01:00 |
| Uttwil Zollikerberg | Central European Time | 00:00 |
| Uttwil Zofingen | Central European Time | 00:00 |