| Hong Kong Sequim | Pacific Time | 15:00 |
| Hong Kong Wadakkanchery | India Standard Time | 02:30 |
| Hong Kong Zuidhorn | Central European Time | 06:00 |
| Hong Kong Wahroonga | Eastern Australia Time | -02:00 |
| Hong Kong Zuidoostbeemster | Central European Time | 06:00 |
| Hong Kong Waghunde Kh. | India Standard Time | 02:30 |
| Hong Kong Zugliano | Central European Time | 06:00 |
| Hong Kong Wagoner | Central Time | 13:00 |
| Hong Kong Zoutelande | Central European Time | 06:00 |
| Hong Kong Wagrain | Central European Time | 06:00 |
| Hong Kong Zürs | Central European Time | 06:00 |
| Hong Kong Walchwil | Central European Time | 06:00 |
| Hong Kong Zwingenberg | Central European Time | 06:00 |
| Hong Kong Zandhoven | Central European Time | 06:00 |
| Hong Kong Zwiefalten | Central European Time | 06:00 |
| Hong Kong Zanzibar Town | East Africa Time | 05:00 |
| Hong Kong Zweisimmen | Central European Time | 06:00 |
| Hong Kong Zephyr | Eastern Time | 12:00 |
| Hong Kong Woy Woy | Eastern Australia Time | -02:00 |
| Hong Kong Zephyrhills | Eastern Time | 12:00 |
| Hong Kong Wrightsville | Eastern Time | 12:00 |
| Hong Kong Zermatt | Central European Time | 06:00 |
| Hong Kong Wrightsville Beach | Eastern Time | 12:00 |
| Hong Kong Zero Branco | Central European Time | 06:00 |
| Hong Kong Wyomissing | Eastern Time | 12:00 |
| Hong Kong Zeven | Central European Time | 06:00 |
| Hong Kong Wyong | Eastern Australia Time | -02:00 |
| Hong Kong Wynn Vale | Central Australia Time | -01:30 |
| Hong Kong Wynnewood | Eastern Time | 12:00 |
| Hong Kong Wynyard | Eastern Australia Time | -02:00 |
| Hong Kong Wythall | United Kingdom Time | 07:00 |
| Hong Kong Wytheville | Eastern Time | 12:00 |
| Hong Kong Xaafuun | East Africa Time | 05:00 |
| Hong Kong Xàbia | Central European Time | 06:00 |
| Hong Kong Xalapa | Central Time | 13:00 |
| Hong Kong Xalapa Enríquez | Central Time | 13:00 |
| Hong Kong Xalisco | Mexican Pacific Time | 14:00 |
| Hong Kong Xaxim | Brasilia Time | 11:00 |