word | | Capital |
| DC | San Marino | ... coordinates: 43 56 N, 12 25 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday ... |
| DC | Sao Tome and Principe | name: Sao Tome geographic coordinates: 0 12 N, 6 39 E time difference: UTC 0 (5 hours ahead of Washington, DC during Standard Time) |
| DC | Saudi Arabia | name: Riyadh geographic coordinates: 24 38 N, 46 43 E time difference: UTC+3 (8 hours ahead of Washington, DC during Standard Time) |
| DC | Senegal | name: Dakar geographic coordinates: 14 40 N, 17 26 W time difference: UTC 0 (5 hours ahead of Washington, DC during Standard Time) |
| DC | Serbia | ... coordinates: 44 50 N, 20 30 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday ... |
| DC | Seychelles | name: Victoria geographic coordinates: 4 38 S, 55 27 E time difference: UTC+4 (9 hours ahead of Washington, DC during Standard Time) |
| DC | Sierra Leone | name: Freetown geographic coordinates: 8 30 N, 13 15 W time difference: UTC 0 (5 hours ahead of Washington, DC during Standard Time) |
| DC | Singapore | name: Singapore geographic coordinates: 1 17 N, 103 51 E time difference: UTC+8 (13 hours ahead of Washington, DC during Standard Time) |
| DC | Sint Maarten | name: Philipsburg geographic coordinates: 18 1 N, 63 2 W time difference: UTC-4 (1 hour ahead of Washington, DC during Standard Time) |
| DC | Slovakia | ... coordinates: 48 09 N, 17 07 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday ... |
| DC | Slovenia | ... coordinates: 46 03 N, 14 31 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday ... |
| DC | Solomon Islands | name: Honiara geographic coordinates: 9 26 S, 159 57 E time difference: UTC+11 (16 hours ahead of Washington, DC during Standard Time) |
| DC | Somalia | name: Mogadishu geographic coordinates: 2 04 N, 45 22 E time difference: UTC+3 (8 hours ahead of Washington, DC during Standard Time) |