Ώρα Groningen
22:13:03
Ανατολή ηλίου: 07:53:37 
Η δυση του ηλιου: 18:47:1104:13:03
23:13:03
17:13:03
01:43:03
14:13:03
04:13:03
01:13:03
04:13:03
04:13:03
01:43:03
23:13:03
04:13:03
02:13:03
05:13:03
17:13:03
Διαφορά ώρας μεταξύ Groningen και μεγάλων πόλεων
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+5
+5
+5
+4.5
+4
+4
+4
+4
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
-5
-6
-6
-7
-7
-8
-9