| Guayana City Steinfeld | Central European Time | -05:00 |
| Guayana City Three Rivers | Eastern Time | 01:00 |
| Guayana City Steelville | Central Time | 02:00 |
| Guayana City Threlkeld | United Kingdom Time | -04:00 |
| Guayana City Stayner | Eastern Time | 01:00 |
| Guayana City Thriprayar | India Standard Time | -09:30 |
| Guayana City Staveley | United Kingdom Time | -04:00 |
| Guayana City Thrissur | India Standard Time | -09:30 |
| Guayana City Stari Grad | Central European Time | -05:00 |
| Guayana City Thuckalay | India Standard Time | -09:30 |
| Guayana City Starke | Eastern Time | 01:00 |
| Guayana City Thousand Palms | Pacific Time | 04:00 |
| Guayana City Standish | United Kingdom Time | -04:00 |
| Guayana City Thompsonville | Eastern Time | 01:00 |
| Guayana City Stanford | Pacific Time | 04:00 |
| Guayana City Thong Nian | Indochina Time | -11:00 |
| Guayana City Staré Město | Central European Time | -05:00 |
| Guayana City Thornton | Eastern Time | 01:00 |
| Guayana City Stadtsteinach | Central European Time | -05:00 |
| Guayana City Tianjin | China Time | -12:00 |
| Guayana City Stäfa | Central European Time | -05:00 |
| Guayana City Thurso | United Kingdom Time | -04:00 |
| Guayana City Stafford Township | Eastern Time | 01:00 |
| Guayana City Thusis | Central European Time | -05:00 |
| Guayana City Staines-upon-Thames | United Kingdom Time | -04:00 |
| Guayana City Thung Song | Indochina Time | -11:00 |
| Guayana City Ventnor City | Eastern Time | 01:00 |
| Guayana City Thiruverumbur | India Standard Time | -09:30 |
| Guayana City Weidenbach | Central European Time | -05:00 |
| Guayana City Thirupathi | India Standard Time | -09:30 |
| Guayana City Weilheim in Oberbayern | Central European Time | -05:00 |
| Guayana City Thibodaux | Central Time | 02:00 |
| Guayana City Weinstadt | Central European Time | -05:00 |
| Guayana City Thị xã Phú Thọ | Indochina Time | -11:00 |
| Guayana City Weinfelden | Central European Time | -05:00 |
| Guayana City Thirroul | Eastern Australia Time | -15:00 |
| Guayana City Welschenbach | Central European Time | -05:00 |
| Guayana City Thornbury | United Kingdom Time | -04:00 |
| Guayana City Wellsburg | Eastern Time | 01:00 |
| Guayana City Thornleigh | Eastern Australia Time | -15:00 |
| Guayana City Wembley | Western Australia Time | -12:00 |
| Guayana City Thoothukudi | India Standard Time | -09:30 |
| Guayana City Wembley | United Kingdom Time | -04:00 |
| Guayana City Thoppur | India Standard Time | -09:30 |
| Guayana City Wemmel | Central European Time | -05:00 |
| Guayana City Thorley | United Kingdom Time | -04:00 |
| Guayana City Wellington | Eastern Australia Time | -15:00 |
| Guayana City Thodupuzha | India Standard Time | -09:30 |
| Guayana City Wellington | United Kingdom Time | -04:00 |
| Guayana City Uintah | Mountain Time | 03:00 |