| Giessen Herve | Central European Time | 00:00 |
| Giessen Germiston | South Africa Standard Time | 00:00 |
| Giessen Widnau | Central European Time | 00:00 |
| Giessen Fort Bliss | Mountain Time | 08:00 |
| Giessen Hyde Park | Eastern Australia Time | -08:00 |
| Giessen Gerringong | Eastern Australia Time | -08:00 |
| Giessen Wilton Manors | Eastern Time | 06:00 |
| Giessen Gettysburg | Eastern Time | 06:00 |
| Giessen Hyderabad | India Standard Time | -03:30 |
| Giessen Gharuan | India Standard Time | -03:30 |
| Giessen Wiltz | Central European Time | 00:00 |
| Giessen Ghan | Central Australia Time | -07:30 |
| Giessen Hyderabad | India Standard Time | -03:30 |
| Giessen Ghanoli | India Standard Time | -03:30 |
| Giessen Winchcombe | United Kingdom Time | 01:00 |
| Giessen Giardini Naxos | Central European Time | 00:00 |
| Giessen Hyderabad | India Standard Time | -03:30 |
| Giessen Ghisoni | Central European Time | 00:00 |
| Giessen Winchester | Eastern Time | 06:00 |
| Giessen Giaveno | Central European Time | 00:00 |
| Giessen Hyderabad | India Standard Time | -03:30 |
| Giessen Gibsons | Pacific Time | 09:00 |
| Giessen Windcrest | Central Time | 07:00 |
| Giessen Ghent | Central European Time | 00:00 |
| Giessen Idalia | Eastern Australia Time | -08:00 |
| Giessen Ghent | Central European Time | 00:00 |
| Giessen Windeck | Central European Time | 00:00 |
| Giessen Idar | India Standard Time | -03:30 |
| Giessen Winder | Eastern Time | 06:00 |
| Giessen Idlib | Eastern European Time | -01:00 |
| Giessen Windham | Eastern Time | 06:00 |
| Giessen Ichikawa | Japan Time | -07:00 |
| Giessen Zikhron Ya'akov | Israel Time | -01:00 |
| Giessen Zhongshan | China Time | -06:00 |
| Giessen Zillah | Pacific Time | 09:00 |
| Giessen Zirakpur | India Standard Time | -03:30 |
| Giessen Zollikerberg | Central European Time | 00:00 |
| Giessen Zofingen | Central European Time | 00:00 |