| Dinan Raf Raf | Central European Time | 00:00 |
| Dinan Radda in Chianti | Central European Time | 00:00 |
| Dinan Rạch Giá | Indochina Time | -06:00 |
| Dinan Rạch Giá | Indochina Time | -06:00 |
| Dinan Pont-Sainte-Marie | Central European Time | 00:00 |
| Dinan Ponte do Rol | Western European Time | 01:00 |
| Dinan Ponte Fabbrica | Central European Time | 00:00 |
| Dinan Ponte Nizza | Central European Time | 00:00 |
| Dinan Pontresina | Central European Time | 00:00 |
| Dinan Pontian District | Malaysia Time | -07:00 |
| Dinan Ponte Tresa | Central European Time | 00:00 |
| Dinan Rothenburg ob der Tauber | Central European Time | 00:00 |
| Dinan Rothesay | United Kingdom Time | 01:00 |
| Dinan Rothesay | Atlantic Time | 04:00 |
| Dinan Röthlein | Central European Time | 00:00 |
| Dinan Rothschild | Central Time | 06:00 |
| Dinan Rougham | United Kingdom Time | 01:00 |
| Dinan Rourkela | India Standard Time | -04:30 |
| Dinan Rouse Hill | Eastern Australia Time | -10:00 |
| Dinan Rovinj | Central European Time | 00:00 |
| Dinan Rowley Regis | United Kingdom Time | 01:00 |
| Dinan Royersford | Eastern Time | 05:00 |
| Dinan Rozaje | Central European Time | 00:00 |
| Dinan Roxbury Township | Eastern Time | 05:00 |
| Dinan Ruckersville | Eastern Time | 05:00 |
| Dinan Rozelle | Eastern Australia Time | -10:00 |
| Dinan Rubano | Central European Time | 00:00 |
| Dinan Rakovica | Central European Time | 00:00 |
| Dinan Ram Nagar | India Standard Time | -04:30 |
| Dinan Rostrenen | Central European Time | 00:00 |
| Dinan Rajapalayam | India Standard Time | -04:30 |
| Dinan Rajosana | India Standard Time | -04:30 |
| Dinan Rahim Yar Khan | Pakistan Time | -04:00 |
| Dinan Rahovic | Central European Time | 00:00 |
| Dinan Raglan | New Zealand Time | -12:00 |
| Dinan Rafah | Eastern European Time | -01:00 |
| Dinan Rainsville | Central Time | 06:00 |
| Dinan Rajadewali | Pakistan Time | -04:00 |