Porsgrunn時間
04:01:27
日出: 04:41:32 
日落: 21:54:0810:01:27
05:01:27
23:01:27
07:31:27
20:01:27
10:01:27
07:01:27
10:01:27
10:01:27
07:31:27
05:01:27
10:01:27
08:01:27
11:01:27
23:01:27
Porsgrunn與主要城市的時差
04:01:27
-6
22:01:27
+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