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