| Washington Mueang Udon Thani | Indochina Time | -06:00 |
| Washington Prince Albert | South Africa Standard Time | -01:00 |
| Washington Muene Luanda | West Africa Time | 00:00 |
| Washington Reddihalli | India Standard Time | -04:30 |
| Washington Mueang | Indochina Time | -06:00 |
| Washington Redfern | Eastern Australia Time | -09:00 |
| Washington Redován | Central European Time | -01:00 |
| Washington Redruth | United Kingdom Time | 00:00 |
| Washington Regencós | Central European Time | -01:00 |
| Washington Regensdorf | Central European Time | -01:00 |
| Washington Reeuwijk | Central European Time | -01:00 |
| Washington Reedsport | Pacific Time | 08:00 |
| Washington Santa Catarina | Central Time | 06:00 |
| Washington Senden | Central European Time | -01:00 |
| Washington Sendra | India Standard Time | -04:30 |
| Washington Senegal | Peru Time | 06:00 |
| Washington Sengurichi | India Standard Time | -04:30 |
| Washington Sans Souci | Eastern Australia Time | -09:00 |
| Washington Santa Ana | Central Time | 07:00 |
| Washington Santa Ana | Mexican Pacific Time | 08:00 |
| Washington Sant Josep de sa Talaia | Central European Time | -01:00 |
| Washington Sant Miquel de Campmajor | Central European Time | -01:00 |
| Washington Sennfeld | Central European Time | -01:00 |
| Washington Serdang | Malaysia Time | -07:00 |
| Washington Sequim | Pacific Time | 08:00 |
| Washington Seoul | Korean Time | -08:00 |
| Washington Seoul | Korean Time | -08:00 |
| Washington Sepang | Malaysia Time | -07:00 |
| Washington Sepang | Malaysia Time | -07:00 |
| Washington Seseña Nuevo | Central European Time | -01:00 |
| Washington Serranópolis | Brasilia Time | 04:00 |
| Washington Seri Gading | Malaysia Time | -07:00 |
| Washington Seri Kembangan | Malaysia Time | -07:00 |
| Washington Seri Manjung | Malaysia Time | -07:00 |
| Washington Renwick | New Zealand Time | -11:00 |
| Washington Rengit | Malaysia Time | -07:00 |
| Washington Rende | Central European Time | -01:00 |
| Washington Saint-Émilion | Central European Time | -01:00 |
| Washington Saint-Denis-de-l'Hôtel | Central European Time | -01:00 |
| Washington Saint Davids | United Kingdom Time | 00:00 |
| Washington Saint Croix Falls | Central Time | 06:00 |
| Washington Saint Clairsville | Eastern Time | 05:00 |
| Washington Saint Francis | Central Time | 06:00 |
| Washington Saint Georg | Central European Time | -01:00 |
| Washington Saint George | Eastern Australia Time | -09:00 |
| Washington Saint-Georges | Eastern Time | 05:00 |
| Washington Saint-Georges | Eastern Time | 05:00 |
| Washington Saint-Georges-sur-Meuse | Central European Time | -01:00 |
| Washington Saint Helena | Pacific Time | 08:00 |
| Washington Saint-Gilles | Central European Time | -01:00 |