Ώρα Porsgrunn
22:37:58
Ανατολή ηλίου: 07:03:21 
Η δυση του ηλιου: 18:01:5105:37:58
00:37:58
18:37:58
03:07:58
15:37:58
05:37:58
02:37:58
05:37:58
05:37:58
03:07:58
00:37:58
05:37:58
03:37:58
06:37:58
18:37:58
Διαφορά ώρας μεταξύ Porsgrunn 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