| Nyack Visakhapatnam Port | India Standard Time | -09:30 |
| Nyack Unawatuna | India Standard Time | -09:30 |
| Nyack Underwood | Eastern Australia Time | -14:00 |
| Nyack Umhlanga | South Africa Standard Time | -06:00 |
| Nyack Umm Al Arais | Central European Time | -05:00 |
| Nyack Umpqua | Pacific Time | 03:00 |
| Nyack Uintah | Mountain Time | 02:00 |
| Nyack Ujire | India Standard Time | -09:30 |
| Nyack Ukai | India Standard Time | -09:30 |
| Nyack Ulcinj | Central European Time | -06:00 |
| Nyack Ulladulla | Eastern Australia Time | -14:00 |
| Nyack Ullur | India Standard Time | -09:30 |
| Nyack Ulmen | Central European Time | -06:00 |
| Nyack Ulrichsberg | Central European Time | -06:00 |
| Nyack Ultimo | Eastern Australia Time | -14:00 |
| Nyack Ulundurpet | India Standard Time | -09:30 |
| Nyack Ulverston | United Kingdom Time | -05:00 |
| Nyack Ulverstone | Eastern Australia Time | -14:00 |
| Nyack Tisbury | Eastern Time | 00:00 |
| Nyack Titisee-Neustadt | Central European Time | -06:00 |
| Nyack Tivoli | Eastern Time | 00:00 |
| Nyack Titwala | India Standard Time | -09:30 |
| Nyack Wolverton | United Kingdom Time | -05:00 |
| Nyack Wommelgem | Central European Time | -06:00 |
| Nyack Wolfschlugen | Central European Time | -06:00 |
| Nyack Wolfville | Atlantic Time | -01:00 |
| Nyack Wolkersdorf im Weinviertel | Central European Time | -06:00 |
| Nyack Woodcroft | Central Australia Time | -13:30 |
| Nyack Woodbridge | Eastern Time | 00:00 |
| Nyack Woodbridge Township | Eastern Time | 00:00 |
| Nyack Zuidhorn | Central European Time | -06:00 |
| Nyack Zuidoostbeemster | Central European Time | -06:00 |
| Nyack Zugliano | Central European Time | -06:00 |
| Nyack Zoutelande | Central European Time | -06:00 |
| Nyack Zürs | Central European Time | -06:00 |
| Nyack Zwingenberg | Central European Time | -06:00 |
| Nyack Zweisimmen | Central European Time | -06:00 |
| Nyack Zwiefalten | Central European Time | -06:00 |