| Winston-Salem Umpqua | Pacific Time | 03:00 |
| Winston-Salem Unawatuna | India Standard Time | -09:30 |
| Winston-Salem Underwood | Eastern Australia Time | -14:00 |
| Winston-Salem Umm Al Arais | Central European Time | -05:00 |
| Winston-Salem Umhlanga | South Africa Standard Time | -06:00 |
| Winston-Salem Ultimo | Eastern Australia Time | -14:00 |
| Winston-Salem Ujire | India Standard Time | -09:30 |
| Winston-Salem Uintah | Mountain Time | 02:00 |
| Winston-Salem Ukai | India Standard Time | -09:30 |
| Winston-Salem Ulladulla | Eastern Australia Time | -14:00 |
| Winston-Salem Ulcinj | Central European Time | -06:00 |
| Winston-Salem Ullur | India Standard Time | -09:30 |
| Winston-Salem Ulmen | Central European Time | -06:00 |
| Winston-Salem Ulrichsberg | Central European Time | -06:00 |
| Winston-Salem Ulundurpet | India Standard Time | -09:30 |
| Winston-Salem Ulverston | United Kingdom Time | -05:00 |
| Winston-Salem Ulverstone | Eastern Australia Time | -14:00 |
| Winston-Salem Wakefield | Eastern Time | 00:00 |
| Winston-Salem Walchwil | Central European Time | -06:00 |
| Winston-Salem Xiangxi | China Time | -12:00 |
| Winston-Salem Waimanalo | Hawaii-Aleutian Time | 06:00 |
| Winston-Salem Waimauku | New Zealand Time | -16:00 |
| Winston-Salem Waikanae | New Zealand Time | -16:00 |
| Winston-Salem Wahroonga | Eastern Australia Time | -14:00 |
| Winston-Salem Wakan | Gulf Standard Time | -08:00 |
| Winston-Salem Waite Park | Central Time | 01:00 |
| Winston-Salem Waitomo | New Zealand Time | -16:00 |
| Winston-Salem Waitsfield | Eastern Time | 00:00 |
| Winston-Salem Wadakkanchery | India Standard Time | -09:30 |
| Winston-Salem Wadebridge | United Kingdom Time | -05:00 |
| Winston-Salem Waghunde Kh. | India Standard Time | -09:30 |
| Winston-Salem Wagoner | Central Time | 01:00 |
| Winston-Salem Wagrain | Central European Time | -06:00 |
| Winston-Salem Xuchang | China Time | -12:00 |
| Winston-Salem Xuzhou | China Time | -12:00 |
| Winston-Salem Yaliyuru | India Standard Time | -09:30 |
| Winston-Salem Yallabatharra | Western Australia Time | -12:00 |
| Winston-Salem Yallambie | Eastern Australia Time | -14:00 |