| Grenzach-Wyhlen Guayaquil | Ecuador Time | 07:00 |
| Grenzach-Wyhlen Ordos | China Time | -06:00 |
| Grenzach-Wyhlen Sana'a | Arabian Time | -01:00 |
| Grenzach-Wyhlen Beirut | Eastern European Time | -01:00 |
| Grenzach-Wyhlen Perth | Western Australia Time | -06:00 |
| Grenzach-Wyhlen Sapporo | Japan Time | -07:00 |
| Grenzach-Wyhlen Jilin | China Time | -06:00 |
| Grenzach-Wyhlen Bucharest | Eastern European Time | -01:00 |
| Grenzach-Wyhlen Camayenne | Greenwich Mean Time | 02:00 |
| Grenzach-Wyhlen Indore | India Standard Time | -03:30 |
| Grenzach-Wyhlen Iztapalapa | Central Time | 07:00 |
| Grenzach-Wyhlen Ecatepec | Central Time | 07:00 |
| Grenzach-Wyhlen Conakry | Greenwich Mean Time | 02:00 |
| Grenzach-Wyhlen Maracay | Venezuela Time | 06:00 |
| Grenzach-Wyhlen Medan | Western Indonesia Time | -05:00 |
| Grenzach-Wyhlen Rawalpindi | Pakistan Time | -03:00 |
| Grenzach-Wyhlen Minsk | Moscow Time | -01:00 |
| Grenzach-Wyhlen Budapest | Central European Time | 00:00 |
| Grenzach-Wyhlen Mosul | Arabian Time | -01:00 |
| Grenzach-Wyhlen Hamburg | Central European Time | 00:00 |
| Grenzach-Wyhlen Curitiba | Brasilia Time | 05:00 |
| Grenzach-Wyhlen Warsaw | Central European Time | 00:00 |
| Grenzach-Wyhlen Bandung | Western Indonesia Time | -05:00 |
| Grenzach-Wyhlen Soweto | South Africa Standard Time | 00:00 |
| Grenzach-Wyhlen Vienna | Central European Time | 00:00 |
| Grenzach-Wyhlen Rabat | Western European Time | 01:00 |
| Grenzach-Wyhlen Guadalajara | Central Time | 07:00 |
| Grenzach-Wyhlen Barcelona | Central European Time | 00:00 |
| Grenzach-Wyhlen Pretoria | South Africa Standard Time | 00:00 |
| Grenzach-Wyhlen Aleppo | Eastern European Time | -01:00 |
| Grenzach-Wyhlen Manila | Philippine Time | -06:00 |
| Grenzach-Wyhlen Montreal | Eastern Time | 06:00 |
| Grenzach-Wyhlen Kunshan | China Time | -06:00 |
| Grenzach-Wyhlen Patna | India Standard Time | -03:30 |
| Grenzach-Wyhlen Bhopal | India Standard Time | -03:30 |
| Grenzach-Wyhlen Manaus | Amazon Time | 06:00 |
| Grenzach-Wyhlen Xinyang | China Time | -06:00 |
| Grenzach-Wyhlen Puebla | Central Time | 07:00 |
| Grenzach-Wyhlen Kaduna | West Africa Time | 01:00 |
| Grenzach-Wyhlen Phnom Penh | Indochina Time | -05:00 |
| Grenzach-Wyhlen Damascus | Eastern European Time | -01:00 |
| Grenzach-Wyhlen Philadelphia | Eastern Time | 06:00 |
| Grenzach-Wyhlen Phoenix | Mountain Time | 09:00 |
| Grenzach-Wyhlen Isfahan | Iran Time | -02:30 |
| Grenzach-Wyhlen Ludhiana | India Standard Time | -03:30 |
| Grenzach-Wyhlen Harare | Central Africa Time | 00:00 |
| Grenzach-Wyhlen Kobe | Japan Time | -07:00 |
| Grenzach-Wyhlen Bekasi | Western Indonesia Time | -05:00 |
| Grenzach-Wyhlen Kaohsiung | Taipei Time | -06:00 |
| Grenzach-Wyhlen Stockholm | Central European Time | 00:00 |