Heure à Porsgrunn
22:04:27
Lever du soleil: 07:03:21 
Coucher de soleil: 18:01:5105:04:27
00:04:27
18:04:27
02:34:27
15:04:27
05:04:27
02:04:27
05:04:27
05:04:27
02:34:27
00:04:27
05:04:27
03:04:27
06:04:27
18:04:27
Décalage horaire entre Porsgrunn et les grandes villes
+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