word | | Capital |
| hours | Tuvalu | name: Funafuti geographic coordinates: 8 30 S, 179 12 E time difference: UTC+12 (17 hours ahead of Washington, DC during Standard Time) note: administrative offices are in Vaiaku Village on Fongafale ... |
| hours | Uganda | name: Kampala geographic coordinates: 0 19 N, 32 25 E time difference: UTC+3 (8 hours ahead of Washington, DC during Standard Time) |
| hours | Ukraine | ... pronounced KAY-yiv geographic coordinates: 50 26 N, 30 31 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in ... |
| hours | United Arab Emirates | name: Abu Dhabi geographic coordinates: 24 28 N, 54 22 E time difference: UTC+4 (9 hours ahead of Washington, DC during Standard Time) |
| hours | United Kingdom | name: London geographic coordinates: 51 30 N, 0 10 W time difference: UTC 0 (5 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March ... |
| hours | Uruguay | name: Montevideo geographic coordinates: 34 53 S, 56 11 W time difference: UTC-3 (2 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins first Sunday in October ... |
| hours | Uzbekistan | name: Tashkent (Toshkent) geographic coordinates: 41 20 N, 69 18 E time difference: UTC+5 (10 hours ahead of Washington, DC during Standard Time) |
| hours | Vanuatu | name: Port-Vila (on Efate) geographic coordinates: 17 44 S, 168 19 E time difference: UTC+11 (16 hours ahead of Washington, DC during Standard Time) |
| hours | Vietnam | name: Hanoi (Ha Noi) geographic coordinates: 21 02 N, 105 51 E time difference: UTC+7 (12 hours ahead of Washington, DC during Standard Time) |
| hours | Wallis and Futuna | name: Mata-Utu (on Ile Uvea) geographic coordinates: 13 57 S, 171 56 W time difference: UTC+12 (17 hours ahead of Washington, DC during Standard Time) |
| hours | Western Sahara | none time difference: UTC 0 (5 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins first Sunday in April; ends last Sunday in July |
| hours | Yemen | name: Sanaa geographic coordinates: 15 21 N, 44 12 E time difference: UTC+3 (8 hours ahead of Washington, DC during Standard Time) |