Porto時間
02:23:10
日出: 07:06:53 
日落: 18:26:1210:23:10
05:23:10
23:23:10
07:53:10
20:23:10
10:23:10
07:23:10
10:23:10
10:23:10
07:53:10
05:23:10
10:23:10
08:23:10
11:23:10
23:23:10
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
+0
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8