| Slough Qiqihar | China Time | -07:00 |
| Slough Klang | Malaysia Time | -07:00 |
| Slough Mendoza | Argentina Time | 04:00 |
| Slough Konya | Turkey Time | -02:00 |
| Slough Mbuji-Mayi | Central Africa Time | -01:00 |
| Slough Vijayawada | India Standard Time | -04:30 |
| Slough Pikine | Greenwich Mean Time | 01:00 |
| Slough Turin | Central European Time | -01:00 |
| Slough Mysore | India Standard Time | -04:30 |
| Slough Jacksonville | Eastern Time | 05:00 |
| Slough Wenzhou | China Time | -07:00 |
| Slough San Francisco | Pacific Time | 08:00 |
| Slough Liverpool | United Kingdom Time | 00:00 |
| Slough Saratov | Saratov Time | -03:00 |
| Slough Tegucigalpa | Central Time | 07:00 |
| Slough Bucheon-si | Korean Time | -08:00 |
| Slough Columbus | Eastern Time | 05:00 |
| Slough Voronezh | Moscow Time | -02:00 |
| Slough Ranchi | India Standard Time | -04:30 |
| Slough Naucalpan | Central Time | 06:00 |
| Slough Ulaanbaatar | Ulaanbaatar Time | -07:00 |
| Slough Takeo | Indochina Time | -06:00 |
| Slough Ahwaz | Iran Time | -03:30 |
| Slough Arequipa | Peru Time | 06:00 |
| Slough Padang | Western Indonesia Time | -06:00 |
| Slough Hubli | India Standard Time | -04:30 |
| Slough Marrakesh | Western European Time | 00:00 |
| Slough Denpasar | Central Indonesia Time | -07:00 |
| Slough Kampung Baru Subang | Malaysia Time | -07:00 |
| Slough Fort Worth | Central Time | 06:00 |
| Slough Indianapolis | Eastern Time | 05:00 |
| Slough Charlotte | Eastern Time | 05:00 |
| Slough Duque de Caxias | Brasilia Time | 04:00 |
| Slough Jos | West Africa Time | 00:00 |
| Slough Valencia | Central European Time | -01:00 |
| Slough Ilorin | West Africa Time | 00:00 |
| Slough Callao | Peru Time | 06:00 |
| Slough La Paz | Bolivia Time | 05:00 |
| Slough Ottawa | Eastern Time | 05:00 |
| Slough Barquisimeto | Venezuela Time | 05:00 |
| Slough Chihuahua | Mexican Pacific Time | 07:00 |
| Slough Nanning | China Time | -07:00 |
| Slough Freetown | Greenwich Mean Time | 01:00 |
| Slough Johor Bahru | Malaysia Time | -07:00 |
| Slough Jerusalem | Israel Time | -02:00 |
| Slough Bandar Lampung | Western Indonesia Time | -06:00 |
| Slough Bogor | Western Indonesia Time | -06:00 |
| Slough Mombasa | East Africa Time | -02:00 |
| Slough Cebu City | Philippine Time | -07:00 |
| Slough Muscat | Gulf Standard Time | -03:00 |