| Highnam Whiteman Air Force Base | Central Time | 06:00 |
| Highnam Clonakilty | Ireland Time | 00:00 |
| Highnam Venelles | Central European Time | -01:00 |
| Highnam Faridabad | India Standard Time | -05:30 |
| Highnam Strafford | Eastern Time | 05:00 |
| Highnam Eggenfelden | Central European Time | -01:00 |
| Highnam Inverurie | United Kingdom Time | 00:00 |
| Highnam Kardinya | Western Australia Time | -08:00 |
| Highnam Whitesboro | Eastern Time | 05:00 |
| Highnam Clonmel | Ireland Time | 00:00 |
| Highnam Venice | Central European Time | -01:00 |
| Highnam Farafra | Eastern European Time | -02:00 |
| Highnam Strangford | United Kingdom Time | 00:00 |
| Highnam Egelsbach | Central European Time | -01:00 |
| Highnam Inverleigh | Eastern Australia Time | -11:00 |
| Highnam Karawara | Western Australia Time | -08:00 |
| Highnam Whiteville | Eastern Time | 05:00 |
| Highnam Clontarf | Ireland Time | 00:00 |
| Highnam Ventnor City | Eastern Time | 05:00 |
| Highnam Fairview | Eastern Time | 05:00 |
| Highnam Strassen | Central European Time | -01:00 |
| Highnam Égliseneuve-des-Liards | Central European Time | -01:00 |
| Highnam Iphofen | Central European Time | -01:00 |
| Highnam Llançà | Central European Time | -01:00 |
| Highnam Whitewater | Central Time | 06:00 |
| Highnam Clinton | Central Time | 06:00 |
| Highnam Welch | Eastern Time | 05:00 |
| Highnam Fairmont | Central Time | 06:00 |
| Highnam Strasburg | Eastern Time | 05:00 |
| Highnam Egnach | Central European Time | -01:00 |
| Highnam Iowa Park | Central Time | 06:00 |
| Highnam Ljungby | Central European Time | -01:00 |
| Highnam Zandhoven | Central European Time | -01:00 |
| Highnam Clerques | Central European Time | -01:00 |
| Highnam Wellin | Central European Time | -01:00 |
| Highnam Fanwood | Eastern Time | 05:00 |
| Highnam Street | United Kingdom Time | 00:00 |
| Highnam Egina | Eastern European Time | -02:00 |
| Highnam Innaloo | Western Australia Time | -08:00 |
| Highnam Loanhead | United Kingdom Time | 00:00 |
| Highnam Zanzibar Town | East Africa Time | -03:00 |
| Highnam Clervaux | Central European Time | -01:00 |
| Highnam Weinstadt | Central European Time | -01:00 |
| Highnam Fameck | Central European Time | -01:00 |
| Highnam Stratham | Eastern Time | 05:00 |
| Highnam Egyházasrádóc | Central European Time | -01:00 |
| Highnam Inishmore | Ireland Time | 00:00 |
| Highnam Lo Barnechea | Chile Time | 03:00 |
| Highnam Stroudsburg | Eastern Time | 05:00 |
| Highnam Clemson | Eastern Time | 05:00 |