Porto時間
00:50:23
日出: 07:06:53 
日落: 18:26:1208:50:23
03:50:23
21:50:23
06:20:23
18:50:23
08:50:23
05:50:23
08:50:23
08:50:23
06:20:23
03:50:23
08:50:23
06:50:23
09:50:23
21:50:23
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