| Tehran Byford | Western Australia Time | -04:30 |
| Tehran Ruckersville | Eastern Time | 08:30 |
| Tehran Coquille | Pacific Time | 11:30 |
| Tehran Rudolfstetten-Friedlisberg | Central European Time | 02:30 |
| Tehran Coppengrave | Central European Time | 02:30 |
| Tehran Ruidoso | Mountain Time | 10:30 |
| Tehran Corella | Central European Time | 02:30 |
| Tehran Ruinen | Central European Time | 02:30 |
| Tehran Corfu | Eastern European Time | 01:30 |
| Tehran Roxbury Township | Eastern Time | 08:30 |
| Tehran Cordele | Eastern Time | 08:30 |
| Tehran Rovinj | Central European Time | 02:30 |
| Tehran Corinth | Central Time | 09:30 |
| Tehran Rowley Regis | United Kingdom Time | 03:30 |
| Tehran Corning | Eastern Time | 08:30 |
| Tehran Rubano | Central European Time | 02:30 |
| Tehran Cornville | Mountain Time | 10:30 |
| Tehran Rozelle | Eastern Australia Time | -07:30 |
| Tehran Coromandel | New Zealand Time | -09:30 |
| Tehran Royersford | Eastern Time | 08:30 |
| Tehran Corolla | Eastern Time | 08:30 |
| Tehran Rozaje | Central European Time | 02:30 |
| Tehran Cornwall-on-Hudson | Eastern Time | 08:30 |
| Tehran Rothenburg ob der Tauber | Central European Time | 02:30 |
| Tehran Cornwall | Eastern Time | 08:30 |
| Tehran Rothesay | United Kingdom Time | 03:30 |
| Tehran Devizes | United Kingdom Time | 03:30 |
| Tehran Rothesay | Atlantic Time | 07:30 |
| Tehran Dexter | Central Time | 09:30 |
| Tehran Röthlein | Central European Time | 02:30 |
| Tehran Devrukh | India Standard Time | -02:00 |
| Tehran Rothschild | Central Time | 09:30 |
| Tehran Dewey Beach | Eastern Time | 08:30 |
| Tehran Rostrenen | Central European Time | 02:30 |
| Tehran Deweyville | Central Time | 09:30 |
| Tehran Rourkela | India Standard Time | -02:00 |
| Tehran Dhaka | Bangladesh Time | -02:30 |
| Tehran Rouse Hill | Eastern Australia Time | -07:30 |
| Tehran Fort Gratiot Township | Eastern Time | 08:30 |
| Tehran Rougham | United Kingdom Time | 03:30 |
| Tehran Fort McMurray | Mountain Time | 10:30 |
| Tehran Ram Nagar | India Standard Time | -02:00 |
| Tehran Fort Mill | Eastern Time | 08:30 |
| Tehran Rakovica | Central European Time | 02:30 |
| Tehran Fort Mohave | Mountain Time | 10:30 |
| Tehran Rajosana | India Standard Time | -02:00 |
| Tehran Fort Valley | Eastern Time | 08:30 |
| Tehran Rajapalayam | India Standard Time | -02:00 |
| Tehran Fort Stewart | Eastern Time | 08:30 |
| Tehran Sawantwadi | India Standard Time | -02:00 |