| Groningen Henrico | Eastern Time | 06:00 |
| Groningen Chilmark | Eastern Time | 06:00 |
| Groningen Goxhill | United Kingdom Time | 01:00 |
| Groningen El Bouni | Central European Time | 01:00 |
| Groningen Govone | Central European Time | 00:00 |
| Groningen Chiloquin | Pacific Time | 09:00 |
| Groningen Grafton | Central Time | 07:00 |
| Groningen Ejido del Centro | Central Time | 07:00 |
| Groningen Gräfenhainichen | Central European Time | 00:00 |
| Groningen Chimney Rock | Eastern Time | 06:00 |
| Groningen Grafschaft | Central European Time | 00:00 |
| Groningen Ekerö | Central European Time | 00:00 |
| Groningen Grafton | Eastern Australia Time | -08:00 |
| Groningen Chimgan | Uzbekistan Time | -03:00 |
| Groningen Gramado | Brasilia Time | 05:00 |
| Groningen Ekeröd | Central European Time | 00:00 |
| Groningen Grambling | Central Time | 07:00 |
| Groningen Carnac | Central European Time | 00:00 |
| Groningen Graikas | Eastern European Time | -01:00 |
| Groningen Forrestfield | Western Australia Time | -06:00 |
| Groningen Gort | Ireland Time | 01:00 |
| Groningen Carnforth | United Kingdom Time | 01:00 |
| Groningen Gosford | Eastern Australia Time | -08:00 |
| Groningen Forreston | Central Time | 07:00 |
| Groningen Gossau | Central European Time | 00:00 |
| Groningen Carole Park | Eastern Australia Time | -08:00 |
| Groningen Goult | Central European Time | 00:00 |
| Groningen Forsyth | Eastern Time | 06:00 |
| Groningen Gote | India Standard Time | -03:30 |
| Groningen Carolina Beach | Eastern Time | 06:00 |
| Groningen Gotha | Eastern Time | 06:00 |
| Groningen Fort Atkinson | Central Time | 07:00 |
| Groningen Gothenburg | Central European Time | 00:00 |
| Groningen Chippewa Falls | Central Time | 07:00 |
| Groningen Gothenburg | Central Time | 07:00 |
| Groningen Fort Bliss | Mountain Time | 08:00 |
| Groningen Illueca | Central European Time | 00:00 |
| Groningen Chipping Campden | United Kingdom Time | 01:00 |
| Groningen Iligan City | Philippine Time | -06:00 |
| Groningen Forest | Central European Time | 00:00 |
| Groningen Imboden | Central Time | 07:00 |
| Groningen Chipping Norton | Eastern Australia Time | -08:00 |
| Groningen Immenstadt | Central European Time | 00:00 |
| Groningen Fordham | United Kingdom Time | 01:00 |
| Groningen Jhikli Ambwari | India Standard Time | -03:30 |
| Groningen Chinon | Central European Time | 00:00 |
| Groningen Jette | Central European Time | 00:00 |
| Groningen Footscray | Eastern Australia Time | -08:00 |
| Groningen Jettingen-Scheppach | Central European Time | 00:00 |
| Groningen Foresters Falls | Eastern Time | 06:00 |