| Birkenhead Seward | Alaska Time | 09:00 |
| Birkenhead Labrador | Eastern Australia Time | -09:00 |
| Birkenhead Wolverton | United Kingdom Time | 00:00 |
| Birkenhead Labuan | Malaysia Time | -07:00 |
| Birkenhead Wolfschlugen | Central European Time | -01:00 |
| Birkenhead Labège | Central European Time | -01:00 |
| Birkenhead Wolfville | Atlantic Time | 04:00 |
| Birkenhead Labin | Central European Time | -01:00 |
| Birkenhead Wolkersdorf im Weinviertel | Central European Time | -01:00 |
| Birkenhead Lac-Drolet | Eastern Time | 05:00 |
| Birkenhead Wohratal | Central European Time | -01:00 |
| Birkenhead Lac-Mégantic | Eastern Time | 05:00 |
| Birkenhead Wivenhoe | United Kingdom Time | 00:00 |
| Birkenhead La Robine-sur-Galabre | Central European Time | -01:00 |
| Birkenhead Wittenberg | Central European Time | -01:00 |
| Birkenhead La Roche-en-Ardenne | Central European Time | -01:00 |
| Birkenhead Wisconsin Dells | Central Time | 06:00 |
| Birkenhead La Sénia | Central European Time | -01:00 |
| Birkenhead Wirksworth | United Kingdom Time | 00:00 |
| Birkenhead La Tijera | Central Time | 06:00 |
| Birkenhead Wirsberg | Central European Time | -01:00 |
| Birkenhead La Punt-Chamues-ch | Central European Time | -01:00 |
| Birkenhead Winton | New Zealand Time | -11:00 |
| Birkenhead La Pobla de Farnals | Central European Time | -01:00 |
| Birkenhead Winterville | Eastern Time | 05:00 |
| Birkenhead Winseler | Central European Time | -01:00 |
| Birkenhead Zürs | Central European Time | -01:00 |
| Birkenhead Wommelgem | Central European Time | -01:00 |
| Birkenhead Woodbridge | Eastern Time | 05:00 |
| Birkenhead Woodbridge Township | Eastern Time | 05:00 |
| Birkenhead Woodcroft | Central Australia Time | -08:30 |
| Birkenhead Zoutelande | Central European Time | -01:00 |
| Birkenhead Zuidhorn | Central European Time | -01:00 |
| Birkenhead Zuidoostbeemster | Central European Time | -01:00 |
| Birkenhead Zugliano | Central European Time | -01:00 |
| Birkenhead Zwingenberg | Central European Time | -01:00 |
| Birkenhead Zweisimmen | Central European Time | -01:00 |
| Birkenhead Zwiefalten | Central European Time | -01:00 |