Porto時間
02:43:53
日出: 07:55:21 
日落: 17:34:5810:43:53
05:43:53
23:43:53
08:13:53
20:43:53
10:43:53
07:43:53
10:43:53
10:43:53
08:13:53
05:43:53
10:43:53
08:43:53
11:43:53
23:43:53
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