Ώρα Porsgrunn
21:01:13
Ανατολή ηλίου: 07:17:37 
Η δυση του ηλιου: 17:49:4404:01:13
23:01:13
17:01:13
01:31:13
14:01:13
04:01:13
01:01:13
04:01:13
04:01:13
01:31:13
23:01:13
04:01:13
02:01:13
05:01:13
17:01:13
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