| Niksar Wattwil | Central European Time | 01:00 |
| Niksar Volcano | Hawaii-Aleutian Time | 13:00 |
| Niksar Wauchope | Eastern Australia Time | -07:00 |
| Niksar Voorhees Township | Eastern Time | 07:00 |
| Niksar Watkins Glen | Eastern Time | 07:00 |
| Niksar Volterra | Central European Time | 01:00 |
| Niksar Watkinsville | Eastern Time | 07:00 |
| Niksar Xuchang | China Time | -05:00 |
| Niksar Watson | Eastern Australia Time | -07:00 |
| Niksar Xuzhou | China Time | -05:00 |
| Niksar Watertown | Eastern Time | 07:00 |
| Niksar Yaliyuru | India Standard Time | -02:30 |
| Niksar Waterloo | United Kingdom Time | 02:00 |
| Niksar Yallabatharra | Western Australia Time | -05:00 |
| Niksar Waterford | Eastern Australia Time | -07:00 |
| Niksar Yallambie | Eastern Australia Time | -07:00 |
| Niksar Waterford Township | Eastern Time | 07:00 |
| Niksar Yeniçiftlik | Turkey Time | 00:00 |
| Niksar Yenifoça | Turkey Time | 00:00 |
| Niksar Yermo | Pacific Time | 10:00 |
| Niksar Yeroskipou | Eastern European Time | 00:00 |
| Niksar Yenda | Eastern Australia Time | -07:00 |
| Niksar Weaverville | Pacific Time | 10:00 |
| Niksar Webbers Falls | Central Time | 08:00 |
| Niksar Webster | Central Time | 08:00 |
| Niksar Wavre | Central European Time | 01:00 |
| Niksar Waverley | Eastern Australia Time | -07:00 |
| Niksar Wayne | Eastern Time | 07:00 |
| Niksar Waynesville | Eastern Time | 07:00 |
| Niksar Wayville | Central Australia Time | -06:30 |
| Niksar Wayzata | Central Time | 08:00 |
| Niksar Yorktown Heights | Eastern Time | 07:00 |
| Niksar Yoxford | United Kingdom Time | 02:00 |
| Niksar Ypres | Central European Time | 01:00 |
| Niksar Yoshinogari | Japan Time | -06:00 |
| Niksar Youngsville | Central Time | 08:00 |
| Niksar Yountville | Pacific Time | 10:00 |
| Niksar Yodogawa Ward | Japan Time | -06:00 |