| Heydon Luanda | West Africa Time | -01:00 |
| Heydon Quezon City | Philippine Time | -08:00 |
| Heydon Addis Ababa | East Africa Time | -03:00 |
| Heydon Nairobi | East Africa Time | -03:00 |
| Heydon Chicago | Central Time | 06:00 |
| Heydon Salvador | Brasilia Time | 03:00 |
| Heydon Jaipur | India Standard Time | -05:30 |
| Heydon Dar es Salaam | East Africa Time | -03:00 |
| Heydon Lanzhou | China Time | -08:00 |
| Heydon Incheon | Korean Time | -09:00 |
| Heydon Yunfu | China Time | -08:00 |
| Heydon Basrah | Arabian Time | -03:00 |
| Heydon Navi Mumbai | India Standard Time | -05:30 |
| Heydon Toronto | Eastern Time | 05:00 |
| Heydon Osaka | Japan Time | -09:00 |
| Heydon Mogadishu | East Africa Time | -03:00 |
| Heydon Daegu | Korean Time | -09:00 |
| Heydon Faisalabad | Pakistan Time | -05:00 |
| Heydon Izmir | Turkey Time | -03:00 |
| Heydon Dakar | Greenwich Mean Time | 00:00 |
| Heydon Lucknow | India Standard Time | -05:30 |
| Heydon Giza | Eastern European Time | -02:00 |
| Heydon Fortaleza | Brasilia Time | 03:00 |
| Heydon Cali | Colombia Time | 05:00 |
| Heydon Surabaya | Western Indonesia Time | -07:00 |
| Heydon Belo Horizonte | Brasilia Time | 03:00 |
| Heydon Nanchang | China Time | -08:00 |
| Heydon Rome | Central European Time | -01:00 |
| Heydon Mashhad | Iran Time | -03:30 |
| Heydon Borough of Brooklyn | Eastern Time | 05:00 |
| Heydon Houston | Central Time | 06:00 |
| Heydon Queens | Eastern Time | 05:00 |
| Heydon Nagpur | India Standard Time | -05:30 |
| Heydon Maracaibo | Venezuela Time | 04:00 |
| Heydon Brasília | Brasilia Time | 03:00 |
| Heydon Santo Domingo | Atlantic Time | 04:00 |
| Heydon Nagoya | Japan Time | -09:00 |
| Heydon Brisbane | Eastern Australia Time | -10:00 |
| Heydon Havana | Cuba Time | 05:00 |
| Heydon Paris | Central European Time | -01:00 |
| Heydon Al Mawşil al Jadīdah | Arabian Time | -03:00 |
| Heydon Johannesburg | South Africa Standard Time | -02:00 |
| Heydon Kowloon | Hong Kong Time | -08:00 |
| Heydon Al Başrah al Qadīmah | Arabian Time | -03:00 |
| Heydon Almaty | East Kazakhstan Time | -06:00 |
| Heydon Medellin | Colombia Time | 05:00 |
| Heydon Tashkent | Uzbekistan Time | -05:00 |
| Heydon Algiers | Central European Time | -01:00 |
| Heydon Khartoum | Central Africa Time | -02:00 |
| Heydon Accra | Greenwich Mean Time | 00:00 |