| Port Townsend Stroudsburg | Eastern Time | -03:00 |
| Port Townsend Sturbridge | Eastern Time | -03:00 |
| Port Townsend Sturgis | Mountain Time | -01:00 |
| Port Townsend Štúrovo | Central European Time | -09:00 |
| Port Townsend Střílky | Central European Time | -09:00 |
| Port Townsend Strömstad | Central European Time | -09:00 |
| Port Townsend Street | United Kingdom Time | -08:00 |
| Port Townsend Stratham | Eastern Time | -03:00 |
| Port Townsend Subiaco | Western Australia Time | -15:00 |
| Port Townsend Subang | Western Indonesia Time | -14:00 |
| Port Townsend Suan Dok | Indochina Time | -14:00 |
| Port Townsend Stuttgart | Central Time | -02:00 |
| Port Townsend Stutzheim-Offenheim | Central European Time | -09:00 |
| Port Townsend Tarquinia | Central European Time | -09:00 |
| Port Townsend Taylors Hill | Eastern Australia Time | -17:00 |
| Port Townsend Tavira | Western European Time | -08:00 |
| Port Townsend Tavros | Eastern European Time | -10:00 |
| Port Townsend Taxco | Central Time | -02:00 |
| Port Townsend Tauriac | Central European Time | -09:00 |
| Port Townsend Tauriano | Central European Time | -09:00 |
| Port Townsend Tavanur | India Standard Time | -12:30 |
| Port Townsend Tarrytown | Eastern Time | -03:00 |
| Port Townsend Tartus | Eastern European Time | -10:00 |
| Port Townsend Tintagel | United Kingdom Time | -08:00 |
| Port Townsend Tingalpa | Eastern Australia Time | -17:00 |
| Port Townsend Timmins | Eastern Time | -03:00 |
| Port Townsend Tinajo | Western European Time | -08:00 |
| Port Townsend Tillsonburg | Eastern Time | -03:00 |
| Port Townsend Tilasar | India Standard Time | -12:30 |
| Port Townsend Tirschenreuth | Central European Time | -09:00 |
| Port Townsend Tipp City | Eastern Time | -03:00 |
| Port Townsend Tipton | Eastern Time | -03:00 |
| Port Townsend Tirumangalam | India Standard Time | -12:30 |
| Port Townsend Tirupattur | India Standard Time | -12:30 |
| Port Townsend Tiruchendur | India Standard Time | -12:30 |
| Port Townsend Tirukazhukundram | India Standard Time | -12:30 |
| Port Townsend Tirumakudalu Narasipura | India Standard Time | -12:30 |
| Port Townsend Tisbury | Eastern Time | -03:00 |