| Vitry-sur-Seine Thirroul | Eastern Australia Time | -10:00 |
| Vitry-sur-Seine Yoshinogari | Japan Time | -08:00 |
| Vitry-sur-Seine Thornbury | United Kingdom Time | 01:00 |
| Vitry-sur-Seine Yoxford | United Kingdom Time | 01:00 |
| Vitry-sur-Seine Thornleigh | Eastern Australia Time | -10:00 |
| Vitry-sur-Seine Youngsville | Central Time | 07:00 |
| Vitry-sur-Seine Thoothukudi | India Standard Time | -04:30 |
| Vitry-sur-Seine Yountville | Pacific Time | 09:00 |
| Vitry-sur-Seine Thoppur | India Standard Time | -04:30 |
| Vitry-sur-Seine Ypres | Central European Time | 00:00 |
| Vitry-sur-Seine Thorley | United Kingdom Time | 01:00 |
| Vitry-sur-Seine Yeniçiftlik | Turkey Time | -02:00 |
| Vitry-sur-Seine Thodupuzha | India Standard Time | -04:30 |
| Vitry-sur-Seine Yenifoça | Turkey Time | -02:00 |
| Vitry-sur-Seine Uintah | Mountain Time | 08:00 |
| Vitry-sur-Seine Yermo | Pacific Time | 09:00 |
| Vitry-sur-Seine Ujire | India Standard Time | -04:30 |
| Vitry-sur-Seine Yeroskipou | Eastern European Time | -01:00 |
| Vitry-sur-Seine Ukai | India Standard Time | -04:30 |
| Vitry-sur-Seine Yenda | Eastern Australia Time | -10:00 |
| Vitry-sur-Seine Ulladulla | Eastern Australia Time | -10:00 |
| Vitry-sur-Seine Yodogawa Ward | Japan Time | -08:00 |
| Vitry-sur-Seine Ulcinj | Central European Time | 00:00 |
| Vitry-sur-Seine Ullur | India Standard Time | -04:30 |
| Vitry-sur-Seine Ulmen | Central European Time | 00:00 |
| Vitry-sur-Seine Ulrichsberg | Central European Time | 00:00 |
| Vitry-sur-Seine Ulundurpet | India Standard Time | -04:30 |
| Vitry-sur-Seine Ulverston | United Kingdom Time | 01:00 |
| Vitry-sur-Seine Ulverstone | Eastern Australia Time | -10:00 |
| Vitry-sur-Seine Tigkaki | Eastern European Time | -01:00 |
| Vitry-sur-Seine Tielt-Winge | Central European Time | 00:00 |
| Vitry-sur-Seine Tierra Blanca | Central Time | 07:00 |
| Vitry-sur-Seine Ticheville | Central European Time | 00:00 |
| Vitry-sur-Seine Tibau do Sul | Brasilia Time | 04:00 |
| Vitry-sur-Seine Zürs | Central European Time | 00:00 |
| Vitry-sur-Seine Zweisimmen | Central European Time | 00:00 |
| Vitry-sur-Seine Zwingenberg | Central European Time | 00:00 |
| Vitry-sur-Seine Zwiefalten | Central European Time | 00:00 |