Porto時間
07:56:29
日出: 07:56:26 
日落: 17:32:3715:56:29
10:56:29
04:56:29
13:26:29
01:56:29
15:56:29
12:56:29
15:56:29
15:56:29
13:26:29
10:56:29
15:56:29
13:56:29
16:56:29
04:56:29
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