| Country | Capital |
| French Polynesia | name: Papeete (located on Tahiti) geographic coordinates: 17 32 S, 149 34 W time difference: UTC-10 (5 hours behind Washington, DC during Standard Time) |
| French Southern and Antarctic Lands | void |
| Gabon | name: Libreville geographic coordinates: 0 23 N, 9 27 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) |
| Gambia, The | name: Banjul geographic coordinates: 13 27 N, 16 34 W time difference: UTC 0 (5 hours ahead of Washington, DC during Standard Time) |
| Gaza Strip | void |
| Georgia | name: T'bilisi geographic coordinates: 41 43 N, 44 47 E time difference: UTC+4 (9 hours ahead of Washington, DC during Standard Time) |
| Germany | name: Berlin geographic coordinates: 52 31 N, 13 24 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 |
| Ghana | name: Accra geographic coordinates: 5 33 N, 0 13 W time difference: UTC 0 (5 hours ahead of Washington, DC during Standard Time) |
| Gibraltar | name: Gibraltar geographic coordinates: 36 08 N, 5 21 W 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 |
| Greece | name: Athens geographic coordinates: 37 59 N, 23 44 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 |
| Greenland | name: Nuuk (Godthab) geographic coordinates: 64 11 N, 51 45 W time difference: UTC-3 (2 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October note: Greenland is divided into four time zones |
| Grenada | name: Saint George's geographic coordinates: 12 03 N, 61 45 W time difference: UTC-4 (1 hour ahead of Washington, DC during Standard Time) |
| Guam | name: Hagatna (Agana) geographic coordinates: 13 28 N, 144 44 E time difference: UTC+10 (15 hours ahead of Washington, DC during Standard Time) |
| Guatemala | name: Guatemala City geographic coordinates: 14 37 N, 90 31 W time difference: UTC-6 (1 hour behind Washington, DC during Standard Time) |