Porsgrunnの時間
11:34:09
日の出: 09:06:14 
日没: 15:53:0618:34:09
13:34:09
07:34:09
16:04:09
04:34:09
18:34:09
15:34:09
18:34:09
18:34:09
16:04:09
13:34:09
18:34:09
16:34:09
19:34:09
07:34:09
Porsgrunnと主要都市の時差
+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