| Country | Capital |
| Cuba | name: Havana geographic coordinates: 23 07 N, 82 21 W time difference: UTC-5 (same time as Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| Cyprus | name: Nicosia (Lefkosia) geographic coordinates: 35 10 N, 33 22 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 |
| Czech Republic | name: Prague geographic coordinates: 50 05 N, 14 28 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 |
| Denmark |  name: Copenhagen geographic coordinates: 55 40 N, 12 35 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 note: applies to continental Denmark only, not to its North Atlantic components |
| Dhekelia | name: Episkopi Cantonment (base administrative center for Akrotiri and Dhekelia); located in Akrotiri geographic coordinates: 34 40 N, 32 51 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 |
| Djibouti | name: Djibouti geographic coordinates: 11 35 N, 43 09 E time difference: UTC+3 (8 hours ahead of Washington, DC during Standard Time) |
| Dominica | name: Roseau geographic coordinates: 15 18 N, 61 24 W time difference: UTC-4 (1 hour ahead of Washington, DC during Standard Time) |
| Dominican Republic | name: Santo Domingo geographic coordinates: 18 28 N, 69 54 W time difference: UTC-4 (1 hour ahead of Washington, DC during Standard Time) |
| Ecuador | name: Quito geographic coordinates: 0 13 S, 78 30 W time difference: UTC-5 (same time as Washington, DC during Standard Time) |
| Egypt | name: Cairo geographic coordinates: 30 03 N, 31 15 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Friday in April; ends last Thursday in September |
| El Salvador | name: San Salvador geographic coordinates: 13 42 N, 89 12 W time difference: UTC-6 (1 hour behind Washington, DC during Standard Time) |
| Equatorial Guinea | name: Malabo geographic coordinates: 3 45 N, 8 47 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) |