Porto時間
14:11:10
日出: 07:54:46 
日落: 17:36:0922:11:10
17:11:10
11:11:10
19:41:10
08:11:10
22:11:10
19:11:10
22:11:10
22:11:10
19:41:10
17:11:10
22:11:10
20:11:10
23:11:10
11:11:10
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