| Bytča Wangara | Western Australia Time | -07:00 |
| Bytča Wamego | Central Time | 07:00 |
| Bytča Wanaka | New Zealand Time | -12:00 |
| Bytča Wandiligong | Eastern Australia Time | -10:00 |
| Bytča Wang Maprang Nuea | Indochina Time | -06:00 |
| Bytča Wanguri | Central Australia Time | -08:30 |
| Bytča Wappingers Falls | Eastern Time | 06:00 |
| Bytča Warana | Eastern Australia Time | -09:00 |
| Bytča Wals | Central European Time | 00:00 |
| Bytča Walled Lake | Eastern Time | 06:00 |
| Bytča Waltenhofen | Central European Time | 00:00 |
| Bytča Walzbachtal | Central European Time | 00:00 |
| Bytča Wallisellen | Central European Time | 00:00 |
| Bytča Waldkirchen | Central European Time | 00:00 |
| Bytča Walenstadt | Central European Time | 00:00 |
| Bytča Waliv | India Standard Time | -04:30 |
| Bytča Tönning | Central European Time | 00:00 |
| Bytča Uttwil | Central European Time | 00:00 |
| Bytča Uthangarai | India Standard Time | -04:30 |
| Bytča Utila | Central Time | 07:00 |
| Bytča Ustrzyki Dolne | Central European Time | 00:00 |
| Bytča Tolland | Eastern Time | 06:00 |
| Bytča Tolo | Eastern European Time | -01:00 |
| Bytča Tomball | Central Time | 07:00 |
| Bytča Tlaxcala | Central Time | 07:00 |
| Bytča Tobruk | Eastern European Time | -01:00 |
| Bytča Todmorden | United Kingdom Time | 01:00 |
| Bytča Todtnau | Central European Time | 00:00 |
| Bytča Tofield | Mountain Time | 08:00 |
| Bytča Wareham | Eastern Time | 06:00 |
| Bytča Warburton | Eastern Australia Time | -10:00 |
| Bytča Warner | Eastern Time | 06:00 |
| Bytča Xiangxi | China Time | -07:00 |
| Bytča Xuchang | China Time | -07:00 |
| Bytča Xuzhou | China Time | -07:00 |
| Bytča Yaliyuru | India Standard Time | -04:30 |
| Bytča Yallabatharra | Western Australia Time | -07:00 |
| Bytča Yallambie | Eastern Australia Time | -10:00 |