Heure à Porsgrunn
03:21:54
Lever du soleil: 04:41:32 
Coucher de soleil: 21:54:0809:21:54
04:21:54
22:21:54
06:51:54
19:21:54
09:21:54
06:21:54
09:21:54
09:21:54
06:51:54
04:21:54
09:21:54
07:21:54
10:21:54
22:21:54
Décalage horaire entre Porsgrunn et les grandes villes
03:21:54
-6
21:21:54
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+5
+5
+5
+4.5
+4
+4
+4
+4
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
-6
-6
-6
-7
-7
-8
-9