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