Ώρα Porsgrunn
02:21:41
Ανατολή ηλίου: 08:25:03 
Η δυση του ηλιου: 16:45:1909:21:41
04:21:41
22:21:41
06:51:41
19:21:41
09:21:41
06:21:41
09:21:41
09:21:41
06:51:41
04:21:41
09:21:41
07:21:41
10:21:41
22:21:41
Διαφορά ώρας μεταξύ Porsgrunn και μεγάλων πόλεων
02:21:41
-6
20:21:41
+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