Porto時間
03:23:10
日出: 07:56:26 
日落: 17:32:3711:23:10
06:23:10
00:23:10
08:53:10
21:23:10
11:23:10
08:23:10
11:23:10
11:23:10
08:53:10
06:23:10
11:23:10
09:23:10
12:23:10
00:23:10
Porto與主要城市的時差
+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