Ώρα Porto
12:23:31
Ανατολή ηλίου: 07:58:29 
Η δυση του ηλιου: 17:27:0120:23:31
15:23:31
09:23:31
17:53:31
06:23:31
20:23:31
17:23:31
20:23:31
20:23:31
17:53:31
15:23:31
20:23:31
18:23:31
21:23:31
09:23:31
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