| Newcastle Grafschaft | Central European Time | 00:00 |
| Newcastle Grafton | Eastern Australia Time | -09:00 |
| Newcastle Goxhill | United Kingdom Time | 01:00 |
| Newcastle Grafton | Central Time | 07:00 |
| Newcastle Gramado | Brasilia Time | 05:00 |
| Newcastle Grambling | Central Time | 07:00 |
| Newcastle Hawthorn | Eastern Australia Time | -09:00 |
| Newcastle Hawthorn East | Eastern Australia Time | -09:00 |
| Newcastle Graikas | Eastern European Time | -01:00 |
| Newcastle Hawera | New Zealand Time | -11:00 |
| Newcastle Hawes | United Kingdom Time | 01:00 |
| Newcastle Hawkesbury | Eastern Time | 06:00 |
| Newcastle Gossau | Central European Time | 00:00 |
| Newcastle Gotha | Eastern Time | 06:00 |
| Newcastle Gothenburg | Central European Time | 00:00 |
| Newcastle Gothenburg | Central Time | 07:00 |
| Newcastle Govone | Central European Time | 00:00 |
| Newcastle Goult | Central European Time | 00:00 |
| Newcastle Gote | India Standard Time | -03:30 |
| Newcastle Gosford | Eastern Australia Time | -09:00 |
| Newcastle Jette | Central European Time | 00:00 |
| Newcastle Jettingen-Scheppach | Central European Time | 00:00 |
| Newcastle Jhikli Ambwari | India Standard Time | -03:30 |
| Newcastle Idar | India Standard Time | -03:30 |
| Newcastle Idalia | Eastern Australia Time | -08:00 |
| Newcastle Idlib | Eastern European Time | -01:00 |
| Newcastle Idukki Township | India Standard Time | -03:30 |
| Newcastle Idyllwild-Pine Cove | Pacific Time | 09:00 |
| Newcastle Ifran | Western European Time | 02:00 |
| Newcastle Ichikawa | Japan Time | -07:00 |
| Newcastle Heimenkirch | Central European Time | 00:00 |
| Newcastle Helen | Eastern Time | 06:00 |
| Newcastle Hyde Park | Eastern Australia Time | -08:00 |
| Newcastle Helmsley | United Kingdom Time | 01:00 |
| Newcastle Hyderabad | India Standard Time | -03:30 |
| Newcastle Hyderabad | India Standard Time | -03:30 |
| Newcastle Hyderabad | India Standard Time | -03:30 |
| Newcastle Hyderabad | India Standard Time | -03:30 |