| Marsa Alam Preston | Eastern Time | 06:00 |
| Marsa Alam Yallabatharra | Western Australia Time | -06:00 |
| Marsa Alam Prestonsburg | Eastern Time | 06:00 |
| Marsa Alam Yallambie | Eastern Australia Time | -08:00 |
| Marsa Alam Příbram | Central European Time | 00:00 |
| Marsa Alam Redován | Central European Time | 00:00 |
| Marsa Alam Redruth | United Kingdom Time | 01:00 |
| Marsa Alam Primošten | Central European Time | 00:00 |
| Marsa Alam Prince Albert | South Africa Standard Time | 00:00 |
| Marsa Alam Reddihalli | India Standard Time | -03:30 |
| Marsa Alam Redfern | Eastern Australia Time | -08:00 |
| Marsa Alam Regueb | Central European Time | 01:00 |
| Marsa Alam Rehoboth Beach | Eastern Time | 06:00 |
| Marsa Alam Rehovot | Israel Time | -01:00 |
| Marsa Alam Reichenau im Mühlkreis | Central European Time | 00:00 |
| Marsa Alam Reidsville | Eastern Time | 06:00 |
| Marsa Alam Reifferscheid | Central European Time | 00:00 |
| Marsa Alam Regina Beach | Central Time | 08:00 |
| Marsa Alam Regencós | Central European Time | 00:00 |
| Marsa Alam Regensdorf | Central European Time | 00:00 |
| Marsa Alam Reeuwijk | Central European Time | 00:00 |
| Marsa Alam Reedsport | Pacific Time | 09:00 |
| Marsa Alam Saint Marys | Eastern Time | 06:00 |
| Marsa Alam Saint-Maurice-Navacelles | Central European Time | 00:00 |
| Marsa Alam Saint-Michel-Chef-Chef | Central European Time | 00:00 |
| Marsa Alam Saint Moritz | Central European Time | 00:00 |
| Marsa Alam Saint-Pie | Eastern Time | 06:00 |
| Marsa Alam Saint-Paul-Trois-Châteaux | Central European Time | 00:00 |
| Marsa Alam Saint Pauls | Eastern Time | 06:00 |
| Marsa Alam Saint Paul's Bay | Central European Time | 00:00 |
| Marsa Alam Saint Pete Beach | Eastern Time | 06:00 |
| Marsa Alam Saint Peter | Central Time | 07:00 |
| Marsa Alam Saint-Paul-lès-Dax | Central European Time | 00:00 |
| Marsa Alam Remiremont | Central European Time | 00:00 |
| Marsa Alam Remlingen | Central European Time | 00:00 |
| Marsa Alam Rengit | Malaysia Time | -06:00 |
| Marsa Alam Rende | Central European Time | 00:00 |
| Marsa Alam Renwick | New Zealand Time | -10:00 |