Heure à Porsgrunn
01:40:09
Lever du soleil: 04:52:21 
Coucher de soleil: 21:43:0607:40:09
02:40:09
20:40:09
05:10:09
17:40:09
07:40:09
04:40:09
07:40:09
07:40:09
05:10:09
02:40:09
07:40:09
05:40:09
08:40:09
20:40:09
Décalage horaire entre Porsgrunn et les grandes villes
+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