| Novocherkassk Union Gap | Pacific Time | 10:00 |
| Novocherkassk Zachary | Central Time | 08:00 |
| Novocherkassk Pha Sing | Indochina Time | -04:00 |
| Novocherkassk Uintah | Mountain Time | 09:00 |
| Novocherkassk Phang Khon | Indochina Time | -04:00 |
| Novocherkassk Ukai | India Standard Time | -02:30 |
| Novocherkassk Zillah | Pacific Time | 10:00 |
| Novocherkassk Ujire | India Standard Time | -02:30 |
| Novocherkassk Zikhron Ya'akov | Israel Time | 00:00 |
| Novocherkassk Town of Rockingham | Eastern Time | 07:00 |
| Novocherkassk Zirakpur | India Standard Time | -02:30 |
| Novocherkassk Umm Al Arais | Central European Time | 02:00 |
| Novocherkassk Zhongshan | China Time | -05:00 |
| Novocherkassk Umhlanga | South Africa Standard Time | 01:00 |
| Novocherkassk Zollikerberg | Central European Time | 01:00 |
| Novocherkassk Ulladulla | Eastern Australia Time | -07:00 |
| Novocherkassk Zofingen | Central European Time | 01:00 |
| Novocherkassk Ullur | India Standard Time | -02:30 |
| Novocherkassk Ulcinj | Central European Time | 01:00 |
| Novocherkassk Ulundurpet | India Standard Time | -02:30 |
| Novocherkassk Ulverston | United Kingdom Time | 02:00 |
| Novocherkassk Ulverstone | Eastern Australia Time | -07:00 |
| Novocherkassk Ulmen | Central European Time | 01:00 |
| Novocherkassk Ulrichsberg | Central European Time | 01:00 |
| Novocherkassk Ultimo | Eastern Australia Time | -07:00 |
| Novocherkassk Zuidhorn | Central European Time | 01:00 |
| Novocherkassk Zuidoostbeemster | Central European Time | 01:00 |
| Novocherkassk Zürs | Central European Time | 01:00 |
| Novocherkassk Wommelgem | Central European Time | 01:00 |
| Novocherkassk Wolverton | United Kingdom Time | 02:00 |
| Novocherkassk Woodbridge | Eastern Time | 07:00 |
| Novocherkassk Woodbridge Township | Eastern Time | 07:00 |
| Novocherkassk Woodcroft | Central Australia Time | -06:30 |
| Novocherkassk Zoutelande | Central European Time | 01:00 |
| Novocherkassk Zugliano | Central European Time | 01:00 |
| Novocherkassk Zwingenberg | Central European Time | 01:00 |
| Novocherkassk Zwiefalten | Central European Time | 01:00 |
| Novocherkassk Zweisimmen | Central European Time | 01:00 |