| Slough Volgograd | Volgograd Time | -02:00 |
| Slough Nova Iguaçu | Brasilia Time | 04:00 |
| Slough Jieyang | China Time | -07:00 |
| Slough Odessa | Eastern European Time | -02:00 |
| Slough Zhu Cheng City | China Time | -07:00 |
| Slough Shivaji Nagar | India Standard Time | -04:30 |
| Slough Kitakyushu | Japan Time | -08:00 |
| Slough Solapur | India Standard Time | -04:30 |
| Slough Baoding | China Time | -07:00 |
| Slough Guatemala City | Central Time | 07:00 |
| Slough Benxi | China Time | -07:00 |
| Slough Zapopan | Central Time | 06:00 |
| Slough Birmingham | United Kingdom Time | 00:00 |
| Slough Perm | Yekaterinburg Time | -04:00 |
| Slough Srinagar | India Standard Time | -04:30 |
| Slough Zaria | West Africa Time | 00:00 |
| Slough Managua | Central Time | 07:00 |
| Slough Port Elizabeth | South Africa Standard Time | -01:00 |
| Slough Fes | Western European Time | 00:00 |
| Slough Cologne | Central European Time | -01:00 |
| Slough Ulsan | Korean Time | -08:00 |
| Slough Chandigarh | India Standard Time | -04:30 |
| Slough Coimbatore | India Standard Time | -04:30 |
| Slough Naples | Central European Time | -01:00 |
| Slough Maceió | Brasilia Time | 04:00 |
| Slough Cartagena | Colombia Time | 06:00 |
| Slough Changzhou | China Time | -07:00 |
| Slough Sulţānah | Arabian Time | -02:00 |
| Slough Monrovia | Greenwich Mean Time | 01:00 |
| Slough Kingston | Eastern Time | 06:00 |
| Slough Erbil | Arabian Time | -02:00 |
| Slough Austin | Central Time | 06:00 |
| Slough Krasnoyarsk | Krasnoyarsk Time | -06:00 |
| Slough Naypyitaw | Myanmar Time | -05:30 |
| Slough Jodhpur | India Standard Time | -04:30 |
| Slough Chiba | Japan Time | -08:00 |
| Slough São Luís | Brasilia Time | 04:00 |
| Slough Madurai | India Standard Time | -04:30 |
| Slough Sale | Western European Time | 00:00 |
| Slough Huaibei | China Time | -07:00 |
| Slough Cochabamba | Bolivia Time | 05:00 |
| Slough Kaifeng | China Time | -07:00 |
| Slough Abobo | Greenwich Mean Time | 01:00 |
| Slough Bishkek | Kyrgyzstan Time | -05:00 |
| Slough Abu Ghraib | Arabian Time | -02:00 |
| Slough Qom | Iran Time | -03:30 |
| Slough Guwahati | India Standard Time | -04:30 |
| Slough Aba | West Africa Time | 00:00 |
| Slough Pingdingshan | China Time | -07:00 |
| Slough Gwalior | India Standard Time | -04:30 |