| Country | Capital |
| Benin | name: Porto-Novo (official capital) geographic coordinates: 6 29 N, 2 37 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) note: Cotonou (seat of government) |
| Bermuda | name: Hamilton geographic coordinates: 32 17 N, 64 47 W time difference: UTC-4 (1 hour ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins second Sunday in March; ends first Sunday in November |
| Bhutan | name: Thimphu geographic coordinates: 27 29 N, 89 36 E time difference: UTC+6 (11 hours ahead of Washington, DC during Standard Time) |
| Bolivia | name: La Paz (administrative capital) geographic coordinates: 16 30 S, 68 09 W time difference: UTC-4 (1 hour ahead of Washington, DC during Standard Time) note: Sucre (constitutional capital) |
| Bosnia and Herzegovina | name: Sarajevo geographic coordinates: 43 52 N, 18 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 in October |
| Botswana | name: Gaborone geographic coordinates: 24 45 S, 25 55 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) |
| Bouvet Island | void |
| Brazil | name: Brasilia geographic coordinates: 15 47 S, 47 55 W time difference: UTC-3 (2 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins third Sunday in October; ends third Sunday in February note: Brazil is divided into four time zones, including one for the Fernando de Noronha islands |
| British Indian Ocean Territory | void |
| British Virgin Islands | name: Road Town geographic coordinates: 18 27 N, 64 37 W time difference: UTC-4 (1 hour ahead of Washington, DC during Standard Time) |
| Brunei | name: Bandar Seri Begawan geographic coordinates: 4 53 N, 114 56 E time difference: UTC+8 (13 hours ahead of Washington, DC during Standard Time) |
| Bulgaria | name: Sofia geographic coordinates: 42 41 N, 23 19 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| Burkina Faso | name: Ouagadougou geographic coordinates: 12 22 N, 1 31 W time difference: UTC 0 (5 hours ahead of Washington, DC during Standard Time) |
| Burma | name: Rangoon (Yangon) geographic coordinates: 16 48 N, 96 09 E time difference: UTC+6.5 (11.5 hours ahead of Washington, DC during Standard Time) note: Nay Pyi Taw is administrative capital |
| Burundi | name: Bujumbura geographic coordinates: 3 22 S, 29 21 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) |
| Cambodia | name: Phnom Penh geographic coordinates: 11 33 N, 104 55 E time difference: UTC+7 (12 hours ahead of Washington, DC during Standard Time) |
| Cameroon | name: Yaounde geographic coordinates: 3 52 N, 11 31 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) |
| Canada | name: Ottawa geographic coordinates: 45 25 N, 75 42 W time difference: UTC-5 (same time as Washington, DC during Standard Time) daylight saving time: +1hr, begins second Sunday in March; ends first Sunday in November note: Canada is divided into six time zones |
| Cape Verde | name: Praia geographic coordinates: 14 55 N, 23 31 W time difference: UTC-1 (4 hours ahead of Washington, DC during Standard Time) |
| Cayman Islands | name: George Town (on Grand Cayman) geographic coordinates: 19 18 N, 81 23 W time difference: UTC-5 (same time as Washington, DC during Standard Time) |
| Central African Republic | name: Bangui geographic coordinates: 4 22 N, 18 35 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) |
| Chad | name: N'Djamena geographic coordinates: 12 06 N, 15 02 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) |
| Chile | name: Santiago geographic coordinates: 33 27 S, 70 40 W time difference: UTC-4 (1 hour ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins second Sunday in October; ends second Sunday in March |
| China | name: Beijing geographic coordinates: 39 55 N, 116 23 E time difference: UTC+8 (13 hours ahead of Washington, DC during Standard Time) note: despite its size, all of China falls within one time zone |
| Christmas Island | name: The Settlement geographic coordinates: 10 25 S, 105 43 E time difference: UTC+7 (12 hours ahead of Washington, DC during Standard Time) |
| Clipperton Island | void |