Cais
Y Cloc y Byd
Mae'r amser arall o France
| Dinas | amser |
|---|---|
| Paris | 19:40 (20/12) |
| St Barthelemy | 14:40 (20/12) |
Mae'r amser arall o United States
| Dinas | amser |
|---|---|
| Wake | 06:40 (21/12) |
| Midway | 07:40 (20/12) |
| Adak Honolulu Johnston | 08:40 (20/12) |
| Anchorage Juneau Nome Yakutat | 09:40 (20/12) |
| Los Angeles San Francisco Seattle | 10:40 (20/12) |
| Boise Denver Phoenix Shiprock | 11:40 (20/12) |
| Chicago Knox Tell City Menominee Center Houston New Salem | 12:40 (20/12) |
| Detroit Indianapolis Marengo Petersburg Vevay Vincennes Winamac Louisville Monticello New York Washington | 13:40 (20/12) |
Mae gwledydd eraill yn y byd
| Antarctica |
|---|
 Antarctica |
 Bouvet Island |
 French Southern Territories |
 Heard and McDonald Islands |
 South Georgia and South Sandwich Islands |
| Ewrop |
|---|
 Aland Islands |
 Albania |
 Andorra |
 Austria |
 Belarus |
 Belgium |
 Bosnia-Herzegovina |
 Bulgaria |
 Croatia |
 Cyprus |
 Czech Republic |
 Denmark |
 El Salvador |
 Estonia |
 Faroe Islands |
 Finland |
| I weld mwy o ... Ewrop |
Y prif ddinasoedd gofyn am
| Dinas | Gwlad | Nifer y ceisiadau |
|---|---|---|
| Paris | France | 11417 |
| New York | United States | 11296 |
| Tahiti | French Polynesia | 10165 |
| Los Angeles | United States | 10152 |
| London | United Kingdom (Great Britain and Northern Ireland) | 9966 |
| Washington | United States | 9641 |
| San Francisco | United States | 9559 |
| Sydney | Australia | 9518 |
| Moscow | Russia | 9466 |
| St Barthelemy | France | 9366 |