| Opfikon Vieux-Mareuil | Central European Time | 00:00 |
| Opfikon Dhaka | Bangladesh Time | -04:00 |
| Opfikon Hawkesbury | Eastern Time | 06:00 |
| Opfikon Bardonia | Eastern Time | 06:00 |
| Opfikon Saint James | Western Australia Time | -06:00 |
| Opfikon Matarbari | Bangladesh Time | -04:00 |
| Opfikon Dartmouth | Eastern Time | 06:00 |
| Opfikon Azambuja | Western European Time | 01:00 |
| Opfikon Vijapadi | India Standard Time | -03:30 |
| Opfikon Dexter | Central Time | 07:00 |
| Opfikon Gore | New Zealand Time | -10:00 |
| Opfikon Bardez | India Standard Time | -03:30 |
| Opfikon Saint James City | Eastern Time | 06:00 |
| Opfikon Matinhos | Brasilia Time | 05:00 |
| Opfikon Darlington | Eastern Australia Time | -08:00 |
| Opfikon Ayden | Eastern Time | 06:00 |
| Opfikon Tullamarine | Eastern Australia Time | -08:00 |
| Opfikon Dewey Beach | Eastern Time | 06:00 |
| Opfikon Göreme Belediyesi | Turkey Time | -01:00 |
| Opfikon Bardauni | India Standard Time | -03:30 |
| Opfikon Saint-Jean-Cap-Ferrat | Central European Time | 00:00 |
| Opfikon Matheran | India Standard Time | -03:30 |
| Opfikon Darlinghurst | Eastern Australia Time | -08:00 |
| Opfikon Ayer Baloi | Malaysia Time | -06:00 |
| Opfikon Tullamore | Ireland Time | 01:00 |
| Opfikon Deweyville | Central Time | 07:00 |
| Opfikon Gorey | Ireland Time | 01:00 |
| Opfikon Barcelona | Venezuela Time | 06:00 |
| Opfikon Saint-Leonard | Eastern Time | 06:00 |
| Opfikon Moka | Mauritius Time | -02:00 |
| Opfikon Dardanelle | Central Time | 07:00 |
| Opfikon Ayer Keroh | Malaysia Time | -06:00 |
| Opfikon Tulum | Eastern Time | 07:00 |
| Opfikon Fort Gratiot Township | Eastern Time | 06:00 |
| Opfikon Gossau | Central European Time | 00:00 |
| Opfikon Brook | United Kingdom Time | 01:00 |
| Opfikon Saint Julian's | Central European Time | 00:00 |
| Opfikon Mokpo-si | Korean Time | -07:00 |
| Opfikon Darch | Western Australia Time | -06:00 |
| Opfikon Ayer's Cliff | Eastern Time | 06:00 |
| Opfikon Turawa | Central European Time | 00:00 |
| Opfikon Fort McMurray | Mountain Time | 08:00 |
| Opfikon Gosford | Eastern Australia Time | -08:00 |
| Opfikon Brno | Central European Time | 00:00 |
| Opfikon Saint-Just-Saint-Rambert | Central European Time | 00:00 |
| Opfikon Mayfield | Eastern Australia Time | -08:00 |
| Opfikon Darasaguppe | India Standard Time | -03:30 |
| Opfikon Ayia Napa | Eastern European Time | -01:00 |
| Opfikon Tunkhannock | Eastern Time | 06:00 |
| Opfikon Fort Mill | Eastern Time | 06:00 |