Ώρα Porto
23:00:42
Ανατολή ηλίου: 07:30:03 
Η δυση του ηλιου: 18:07:0607:00:42
02:00:42
20:00:42
04:30:42
17:00:42
07:00:42
04:00:42
07:00:42
07:00:42
04:30:42
02:00:42
07:00:42
05:00:42
08:00:42
20:00:42
Διαφορά ώρας μεταξύ Porto και μεγάλων πόλεων
+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