| Workum Sturgis | Mountain Time | 08:00 |
| Workum Clarens | Central European Time | 00:00 |
| Workum Štúrovo | Central European Time | 00:00 |
| Workum Clarkson | Western Australia Time | -07:00 |
| Workum Clarkston | Eastern Time | 06:00 |
| Workum Claryville | Eastern Time | 06:00 |
| Workum Claremont | Western Australia Time | -07:00 |
| Workum Clanton | Central Time | 07:00 |
| Workum Clackamas | Pacific Time | 09:00 |
| Workum Dahab | Eastern European Time | -01:00 |
| Workum Daimes | Central European Time | 00:00 |
| Workum Dahisar | India Standard Time | -04:30 |
| Workum Damme | Central European Time | 00:00 |
| Workum Danby | Eastern Time | 06:00 |
| Workum Dammam | Arabian Time | -02:00 |
| Workum Damshagen | Central European Time | 00:00 |
| Workum Damtal | India Standard Time | -04:30 |
| Workum Dufftown | United Kingdom Time | 01:00 |
| Workum Duhamel | Eastern Time | 06:00 |
| Workum Dandong | China Time | -07:00 |
| Workum Danmark | Central European Time | 00:00 |
| Workum Dumbrăvița | Eastern European Time | -01:00 |
| Workum Dumfries | Eastern Time | 06:00 |
| Workum Dulwich Hill | Eastern Australia Time | -10:00 |
| Workum Duloe | United Kingdom Time | 01:00 |
| Workum Dundrum | United Kingdom Time | 01:00 |
| Workum Dundrum | Ireland Time | 01:00 |
| Workum Dundee | Eastern Time | 06:00 |
| Workum Durbuy | Central European Time | 00:00 |
| Workum Durango | Central Time | 07:00 |
| Workum Durağan | Turkey Time | -02:00 |
| Workum Dunster | United Kingdom Time | 01:00 |
| Workum Dunlap | Central Time | 07:00 |
| Workum Dunning | United Kingdom Time | 01:00 |
| Workum Dunsborough | Western Australia Time | -07:00 |
| Workum Dungu | Central Africa Time | -01:00 |
| Workum Dungun | Malaysia Time | -07:00 |
| Workum Dunkirk | Central European Time | 00:00 |