Ώρα Porsgrunn
23:13:17
Ανατολή ηλίου: 07:14:47 
Η δυση του ηλιου: 17:52:1006:13:17
01:13:17
19:13:17
03:43:17
16:13:17
06:13:17
03:13:17
06:13:17
06:13:17
03:43:17
01:13:17
06:13:17
04:13:17
07:13:17
19:13:17
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