Portoの時間
21:59:58
日の出: 07:39:48 
日没: 17:57:0905:59:58
00:59:58
18:59:58
03:29:58
15:59:58
05:59:58
02:59:58
05:59:58
05:59:58
03:29:58
00:59:58
05:59:58
03:59:58
06:59:58
18:59:58
Portoと主要都市の時差
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8