Porto時間
16:45:51
日出: 07:56:55 
日落: 17:31:2800:45:51
19:45:51
13:45:51
22:15:51
10:45:51
00:45:51
21:45:51
00:45:51
00:45:51
22:15:51
19:45:51
00:45:51
22:45:51
01:45:51
13:45:51
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