Ώρα Groningen
05:45:42
Ανατολή ηλίου: 07:36:20 
Η δυση του ηλιου: 17:58:0112:45:43
07:45:43
01:45:43
10:15:43
22:45:43
12:45:43
09:45:43
12:45:43
12:45:43
10:15:43
07:45:43
12:45:43
10:45:43
13:45:43
01:45:43
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
-1
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9