Ώρα Groningen
01:22:18
Ανατολή ηλίου: 08:37:11 
Η δυση του ηλιου: 16:16:0108:22:18
03:22:18
21:22:18
05:52:18
18:22:18
08:22:18
05:22:18
08:22:18
08:22:18
05:52:18
03:22:18
08:22:18
06:22:18
09:22:18
21:22:18
Διαφορά ώρας μεταξύ Groningen και μεγάλων πόλεων
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+5.5
+5
+5
+5
+5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4
+4
+3.5
+3
+2.5
+2
+2
+2
+2
+2
+2
+2
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
+0
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9