Ώρα Porsgrunn
20:29:52
Ανατολή ηλίου: 08:54:13 
Η δυση του ηλιου: 16:10:3203:29:52
22:29:52
16:29:52
00:59:52
13:29:52
03:29:52
00:29:52
03:29:52
03:29:52
00:59:52
22:29:52
03:29:52
01:29:52
04:29:52
16:29:52
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
+0
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9