Ώρα Porto
21:18:32
Ανατολή ηλίου: 06:26:17 
Η δυση του ηλιου: 20:35:5504:18:32
23:18:32
17:18:32
01:48:32
14:18:32
04:18:32
01:18:32
04:18:32
04:18:32
01:48:32
23:18:32
04:18:32
02:18:32
05:18:32
17:18:32
Διαφορά ώρας μεταξύ Porto και μεγάλων πόλεων
21:18:32
-5
16:18:32
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+5.5
+5
+5
+5
+5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4
+4
+3.5
+3
+2.5
+2
+2
+2
+2
+2
+2
+2
+2
+2
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
-1
-4
-4
-4
-5
-5
-5
-6
-6
-7
-8