Porto時間
09:34:43
日出: 07:55:21 
日落: 17:34:5817:34:43
12:34:43
06:34:43
15:04:43
03:34:43
17:34:43
14:34:43
17:34:43
17:34:43
15:04:43
12:34:43
17:34:43
15:34:43
18:34:43
06:34:43
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