Porto時間
00:20:59
日出: 07:09:59 
日落: 18:23:5208:20:59
03:20:59
21:20:59
05:50:59
18:20:59
08:20:59
05:20:59
08:20:59
08:20:59
05:50:59
03:20:59
08:20:59
06:20:59
09:20:59
21:20:59
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