| Niigata Parkside | Central Australia Time | -01:30 |
| Niigata Parga | Eastern European Time | 07:00 |
| Niigata Pargas | Eastern European Time | 07:00 |
| Niigata Park City | Mountain Time | 16:00 |
| Niigata Parisot | Central European Time | 08:00 |
| Niigata Paris | Central European Time | 08:00 |
| Niigata Paris | Central European Time | 08:00 |
| Niigata Pasaje Canton | Ecuador Time | 14:00 |
| Niigata Parowan | Mountain Time | 16:00 |
| Niigata Parnwell | United Kingdom Time | 09:00 |
| Niigata Parrish | Eastern Time | 14:00 |
| Niigata Radoľa | Central European Time | 08:00 |
| Niigata Rafah | Eastern European Time | 07:00 |
| Niigata Raeford | Eastern Time | 14:00 |
| Niigata Raf Raf | Central European Time | 08:00 |
| Niigata Radda in Chianti | Central European Time | 08:00 |
| Niigata Rạch Giá | Indochina Time | 02:00 |
| Niigata Rạch Giá | Indochina Time | 02:00 |
| Niigata Pont-Sainte-Marie | Central European Time | 08:00 |
| Niigata Ponte do Rol | Western European Time | 09:00 |
| Niigata Ponte Fabbrica | Central European Time | 08:00 |
| Niigata Ponte Nizza | Central European Time | 08:00 |
| Niigata Pontian District | Malaysia Time | 01:00 |
| Niigata Pontresina | Central European Time | 08:00 |
| Niigata Ponte Tresa | Central European Time | 08:00 |
| Niigata Rakovica | Central European Time | 08:00 |
| Niigata Ram Nagar | India Standard Time | 03:30 |
| Niigata Rajapalayam | India Standard Time | 03:30 |
| Niigata Rajosana | India Standard Time | 03:30 |
| Niigata Rahim Yar Khan | Pakistan Time | 04:00 |
| Niigata Raglan | New Zealand Time | -04:00 |
| Niigata Rahovic | Central European Time | 08:00 |
| Niigata Rainsville | Central Time | 15:00 |
| Niigata Rajadewali | Pakistan Time | 04:00 |
| Niigata Zahara de los Atunes | Central European Time | 08:00 |
| Niigata Yvoir | Central European Time | 08:00 |
| Niigata Yzeure | Central European Time | 08:00 |
| Niigata Zachary | Central Time | 15:00 |